Low Vision Assistance Statistics – New Update

Let’s start with the big picture. Vision loss isn’t rare. It’s one of the most common disabilities worldwide, and it’s growing as populations age. If you work in web design, healthcare, public policy, community advocacy, or product development, these numbers aren’t just abstract stats. They’re a practical roadmap for what real-world accessibility should look like.

Here’s a quick, breakdown of the most important low vision statistics today:

🔹 Globally, at least 2.2 billion people live with some form of near or distance vision impairment. That’s roughly 1 in 4 people on the planet.

🔹 In the United States, about 32.2 million people have measurable vision loss that doesn’t improve with regular glasses or contact lenses. That’s nearly 1 in 10 Americans.

🔹 Roughly 49.5 million U.S. adults report having at least a little trouble seeing, even when wearing corrective lenses. Of those, 3.8 million have significant trouble, and over 400,000 are completely unable to see.

🔹 About 8.3 million Americans are officially counted as having blindness or low vision. This number has been climbing steadily year over year.

🔹 Only 42% of eye care professionals regularly recommend electronic low vision aids to their patients. Even when these tools exist, most patients aren’t being told about them. [

🔹 The top barriers to getting help? High device cost (79%), lack of professional training (68%), limited clinic support (64%), and low patient awareness (57%).

Why These Numbers Should Guide Accessibility Planning

If you’re wondering why this matters for your website, app, workplace, or community program, here’s the short answer: low vision isn’t an edge case. It’s a design requirement.

1. Digital equity is non-negotiable

People with low vision are twice as likely to lack reliable home internet and 2.5 times more likely to not own a smartphone or tablet. If your platform isn’t compatible with screen readers, zoom functions, or high-contrast modes, you’re quietly locking millions out. [Source 4]

2. Demand for assistive tech is surging, but access is uneven

The global market for vision assistive technology is projected to grow from $8.3 billion in 2025 to over $15.7 billion by 2034. Yet high costs and training gaps keep life-changing tools out of patients’ hands. Accessibility planning means pushing for affordable, intuitive solutions that work across everyday devices. [Source 6]

3. Policy, funding, and compliance follow the data

With over 8 million Americans living with blindness or low vision, governments, insurers, and employers are increasingly required to fund vision rehabilitation, cover workplace accommodations, and meet digital accessibility standards. Ignoring these numbers can mean legal risk, lost revenue, or simply failing your users.

4. Prevention isn’t the whole story

At least 1 billion cases of vision impairment worldwide are preventable or go unaddressed. That means a huge portion of low-vision users are navigating daily life without proper support, training, or tools. Thoughtful accessibility planning helps close that gap while systemic care catches up.

Sources: WHO, CDC, Research on Disability, Social Security Administration, AFB

Global & U.S. Prevalence: Who’s Affected by Low Vision? (And How Many?)

At least 2.2 billion people worldwide live with some form of near or distance vision impairment. That’s roughly 1 in 4 people on the planet.

But it gets more specific:

• 36 million people are blind (visual acuity of 20/400 or worse).
• 217 million have moderate to severe vision loss (20/400 to 20/60).
• At least 1 billion of these cases could have been prevented or still need attention—meaning better access to eye care, glasses, or early treatment could change lives.

Why this matters globally: Low- and middle-income countries carry the heaviest burden. In some regions, over 2 out of 3 people with vision loss live without the support they need.

Quick takeaway: Vision loss isn’t a “developed world” issue. It’s a global equity issue—and digital accessibility is part of the solution.

U.S. Population Estimates: Breaking Down the Numbers

The United States has robust data collection, so we can get surprisingly specific. Here’s what the latest models and surveys tell us:

Presenting Visual Acuity Loss (What people experience day-to-day)

• 32.17 million Americans (all ages) have vision loss that isn’t fixed by their usual glasses or contacts.
  → That’s 9.46% of the U.S. population.
• Of those, 25 million have uncorrected refractive error—meaning proper glasses could help, but they don’t have access to them.
• 7.15 million have best-corrected vision loss—their vision can’t be fully fixed with lenses alone. Over 700,000 of these are classified as blind (20/200 or worse).

Self-Reported Difficulty Seeing (NHIS Survey Data)

• 49.5 million U.S. adults (age 18+) say they have at least a little trouble seeing, even with glasses.
• Breakdown of severity:
  • 45.3 million: “a little trouble”
  • 3.8 million: “a lot of trouble”
  • 420,000: “cannot see at all”

Official Disability Count (Blindness or Low Vision)

• 8.29 million Americans were counted as having blindness or low vision in 2023—up from 8.17 million in 2022.
• This group includes anyone who answered “yes” to: “Are you blind or do you have serious difficulty seeing, even when wearing glasses?”

Who’s Most Affected? Quick Demographics

Group	Key Stat
Age	Prevalence jumps sharply after 65: 4.54% of adults 65–84, and 12.38% of adults 85+ have best-corrected vision loss.
Sex	Women report vision loss more often: 57% of adults with vision difficulty are female.
Race/Ethnicity	Black, non-Hispanic adults have the highest rate of blindness (0.32%) among major groups.
Age + Vision Loss	33 million adults 18–64 + 13.6 million adults 65+ = the full adult picture.

Growth Trends: Why the Numbers Keep Rising

It’s not just that we’re counting better. The number of people with low vision is genuinely increasing—and here’s why:

Aging populations: Age-related eye conditions (macular degeneration, glaucoma, diabetic retinopathy) become more common after 50. As life expectancy rises, so does vision loss.

Chronic disease links: Diabetes and hypertension—both on the rise—are leading causes of preventable vision loss. Better management can slow progression, but access to care isn’t equal.

Survivorship: People with vision loss are living longer, fuller lives thanks to better healthcare and assistive tools. That’s great news—but it also means more people need long-term accessibility support.

Awareness & reporting: More people feel comfortable identifying as having a vision disability, and surveys are getting better at capturing nuanced experiences (like “a little trouble seeing”).

By the numbers: The U.S. population with blindness/low vision grew by 126,000 people in just one year (2022 → 2023). If trends continue, we could see over 9 million by 2030.

Why This Section Matters for You

Whether you’re building a website, designing a public service, writing policy, or creating content: these people are your users.

• If your site isn’t screen-reader friendly, zoom-compatible, or high-contrast ready, you’re excluding millions.
• If your forms, videos, or navigation assume “perfect” vision, you’re adding friction for people who already face daily barriers.
• If you wait for “more data” to act, you’re waiting for real people to be left behind.

The numbers aren’t abstract. They’re neighbors, customers, coworkers, and family members. Designing with them in mind isn’t charity—it’s good practice.

Demographic Breakdowns: Who’s Most Affected by Low Vision? (Age, Sex, Race & More)

Yes, vision loss becomes more common as we age—but it’s not only an older adult issue. Here’s the full picture:

Adults 18–64: The “Working Age” Group

• 33 million U.S. adults between 18 and 64 report some difficulty seeing, even with glasses.
• That’s a huge portion of the workforce, parents, students, and digital users.
• Common causes in this group: diabetic retinopathy, eye injuries, genetic conditions, and uncorrected refractive error.

Adults 65+: Where Prevalence Rises Sharply

• 13.6 million U.S. adults 65+ report vision loss.
• But look at the rates:
  • Ages 65–84: 4.54% have best-corrected vision loss
  • Ages 85+: 12.38% have best-corrected vision loss
• Why the jump? Age-related conditions like macular degeneration, glaucoma, and cataracts become more common.

Kids & Teens: Often Overlooked

• 552,000 children and teens (ages 5–17) in the U.S. have blindness or low vision.
• Early intervention matters: Untreated vision issues in childhood can impact learning, development, and confidence.

Practical takeaway: Don’t design only for “senior” accessibility. Young adults with low vision need zoom-friendly interfaces, screen reader support, and clear navigation too.

By Sex: Women Report Vision Loss More Often

Here’s a pattern that shows up across multiple data sources:

• Of the 49.5 million U.S. adults with vision difficulty, 27.8 million (57%) are women and 21.7 million (43%) are men.
• CDC modeled estimates show similar trends:
  • Women: 2.28% prevalence of best-corrected vision loss
  • Men: 1.92% prevalence

Why might this be?

Longer life expectancy: Women live longer on average, and age is the strongest risk factor for vision loss.
Autoimmune links: Conditions like dry eye and thyroid eye disease (more common in women) can affect vision.
Reporting differences: Some research suggests women may be more likely to report functional difficulties in surveys.

Design implication: If your audience skews female (e.g., healthcare, caregiving, wellness content), prioritize high-contrast text, resizable fonts, and clear form labels.

By Race & Ethnicity: Disparities in Prevalence and Access

Vision loss doesn’t affect all racial and ethnic groups equally—and neither does access to care.

Prevalence Differences (U.S. Data)

Group	Best-Corrected Vision Loss	Blindness Rate
Black, non-Hispanic	2.18%	0.32% (highest)
White, non-Hispanic	2.12%	0.22%
Hispanic, any race	1.95%	0.12%
Other races	2.19%	0.19%

The Access Gap Is Real

• Black and Hispanic adults are more likely to have uncorrected refractive error (meaning glasses could help, but they don’t have them).
• People of color face higher rates of diabetes and hypertension—both leading causes of preventable vision loss.
• Yet they’re also less likely to have regular eye exams due to cost, transportation, or provider shortages.

Global Context Matters Too

• In low- and middle-income countries, 2 out of 3 people with vision impairment live without the support they need.
• Rural communities everywhere face similar barriers: fewer specialists, longer travel times, limited tech access.

Equity tip: When testing your site or app, include users from diverse backgrounds. Accessibility isn’t one-size-fits-all, cultural context, language, and tech access all matter.

Socioeconomic Factors: Income, Education & Digital Access

Here’s where the data gets sobering: vision loss and poverty often travel together.

Income & Education Gaps

• Among older adults with blindness or low vision:
  • 37% have annual incomes below $15,000
  • 28.7% haven’t graduated high school
• Lower income → less access to eye care, assistive devices, and high-speed internet.

The Digital Divide Is a Vision Divide

People with vision difficulties are:

• 2× more likely to live in a home without internet access
• 2× more likely to lack a home computer
• 2.5× more likely to not own a smartphone or tablet

Why does this matter? Because smartphones aren’t just for scrolling—they run assistive apps that can:

• Read text aloud
• Identify colors or currency
• Magnify documents
• Navigate spaces with audio cues

No smartphone = no access to these free or low-cost tools.

Employment & Independence Impact

• 15.3% of people with vision disabilities report difficulty with self-care tasks.
• 27.3% report challenges with independent living (cooking, cleaning, managing meds).
• Without proper support, vision loss can limit job opportunities, social connection, and daily autonomy.

Action step: Offer low-bandwidth versions of your content. Ensure your site works on older devices. Provide text alternatives for videos. Small tweaks can make a big difference for users with limited tech access.

Sources: WHO, CDC, Research on Disability, Social Security Administration, AFB, National Council on Aging

Assistive Technology for Low Vision: Who’s Using It, What’s Blocking It, and What Actually Works

Assistive technology (AT) can be a game-changer for people with low vision. We’re talking about screen readers, smart magnifiers, voice-controlled reading apps, electronic CCTV devices, and AI-powered visual aids. These tools don’t “cure” vision loss, they restore independence, boost confidence, and open doors to work, education, and daily life.

But here’s the reality check: having the technology doesn’t mean people are using it. Adoption rates are surprisingly low, and the reasons why are well-documented. Let’s break down the data, the roadblocks, and the proven drivers of successful adoption.

Current Adoption Rates

Despite rapid innovation, real-world adoption of electronic low vision aids (LVAs) remains stubbornly low:

Only 42.2% of eye care professionals routinely prescribe or recommend electronic low vision aids to their patients.

Adoption varies sharply by specialty:

• Low vision specialists: 61% regularly recommend aids
• Optometrists: 44.2%
• Ophthalmologists: 33%

Device abandonment is still a problem. Historically, nearly 1 in 3 assistive devices (29%) get shelved after initial use. Newer smartphone-based apps and cloud tools are improving retention, but many dedicated devices still gather dust.

The market is growing fast. The global assistive technology market for visual impairment was valued at $8.3 billion in 2025 and is projected to reach $15.7+ billion by 2034.

Simple takeaway: The tools exist. The market is expanding. But adoption lags because of cost, training gaps, and awareness—not because the tech isn’t useful.

Key Barriers to Adoption (Why People Aren’t Using It)

Researchers surveyed 270 eye care professionals to find out what’s actually blocking adoption. Here are the top four barriers, ranked by how often they were cited:

Barrier	% Cited	What It Really Means
High device cost	79%	Many electronic aids cost $300–$2,000+. Insurance coverage is inconsistent, and out-of-pocket expenses shut many people out.
Lack of training	68.1%	Even willing clinicians often don’t know how to demo, fit, troubleshoot, or train patients on these devices.
Limited institutional support	64%	Clinics lack dedicated staff, budget, or time to integrate AT into routine care workflows.
Low patient awareness	57%	Many patients simply don’t know these tools exist, how they work, or that they’re worth asking about.

Add to that the fact that assistive tech costs are highly variable and the pace of advancement is rapid, making it hard for clinics to keep up with demos, updates, and training materials.

Predictors of Successful Adoption (What Actually Moves the Market)

So what does drive adoption? The same study ran statistical models to find out. Here’s what the data shows:

Training exposure is the #1 predictor
Professionals with more hands-on training were nearly 2x more likely to adopt and recommend aids (Odds Ratio 1.82). [Source 1]

Institutional support matters
Clinics that provide budget, dedicated staff, and workflow integration saw adoption jump by ~50% (OR 1.48). [Source 1]

Awareness drives action
When both providers and patients understand what’s available and how it works, adoption rises by ~35% (OR 1.35). [Source 1]

Cost is the strongest negative predictor
When devices are expensive, adoption drops sharply. High cost reduced the likelihood of adoption by nearly 60% (OR 0.41).

Why This Matters for Your Work

Whether you’re building software, designing public services, working in healthcare, or advocating for accessibility, here’s how to apply these insights:

For developers & designers: Prioritize low-cost, smartphone-compatible solutions. Offer free trials, clear onboarding, and offline functionality. Avoid feature bloat, simplicity wins.

For clinicians & rehab specialists: Push for structured AT training in your clinic or university program. Keep a rotating demo kit. Partner with state vocational rehab programs for funding.

For policymakers & employers: Expand insurance coverage for electronic low vision aids. Fund workplace accommodations and digital literacy programs. Make AT a standard part of vision care, not an afterthought.

For patients & caregivers: Ask for a low vision referral. Start with free smartphone apps (iOS/Android accessibility features). Connect with organizations like the American Foundation for the Blind or APH ConnectCenter for grants and training.

Sources: WHO, CDC, Research on Disability, Social Security Administration, AFB, National Council on Aging, AAO

Digital Access & Service Utilization

Having assistive technology is one thing. Actually being able to use it—reliably, affordably, and with support, is another. This section covers two critical pieces of the low vision market:

Digital equity: Do people have the internet, devices, and connectivity to use modern assistive tools?
Service access: Can people find and afford low vision rehabilitation, training, and ongoing support?

Let’s break it down—simple, clear, and backed by data.

Internet & Device Access Gaps: The Hidden Barrier

Assistive apps, cloud-based screen readers, and AI visual aids all need one thing to work: reliable digital access. But for people with vision loss, that access isn’t guaranteed.

Here’s what the data shows about the U.S.:

Access Type	Gap for People with Vision Difficulties
Any home internet	2× more likely to lack access vs. sighted peers
High-speed broadband	Nearly 2× more likely to lack access
Home computer	2× more likely to not have one
Smartphone or tablet	2.5× more likely to not own one

Why smartphones matter: They’re not just for social media. Built-in accessibility features (VoiceOver, TalkBack, magnification, voice control) and free apps can read text, identify colors, recognize faces, and navigate spaces. No smartphone = no access to these life-changing tools.

Global Context

• In low- and middle-income countries, the digital divide is even wider. Limited infrastructure, high data costs, and fewer localized accessibility features compound vision-related barriers.
• Rural communities everywhere face similar challenges: spotty connectivity, fewer tech support resources, and longer wait times for device repairs or replacements.

The Ripple Effect

When digital access is limited:

• Telehealth appointments become harder to attend
• Online job applications feel impossible
• Educational content isn’t reachable
• Social connection shrinks

Practical takeaway: If you build digital products, assume users may be on slower connections, older devices, or using assistive tech. Offer low-bandwidth modes, text alternatives, and keyboard navigation. Test with real users—not just emulators.

Impact on Daily Living: Beyond the Screen

Vision loss doesn’t just affect what people see, it affects how they live. The data shows clear links between vision disability and challenges in everyday tasks:

Self-care: 15.3% of people with vision disabilities report difficulty with tasks like bathing, dressing, or preparing meals.

Independent living: 27.3% report challenges managing a household, handling finances, or taking medications safely.

Employment: Adults with vision loss are less likely to be employed full-time and more likely to experience workplace barriers—even when qualified.

Social connection: Isolation risks rise when transportation, communication, or community spaces aren’t accessible.

Low Vision Rehabilitation Services: What’s Available (and Where)

Low vision rehabilitation (LVR) includes specialized evaluations, training on assistive devices, orientation/mobility support, and strategies for daily tasks. But access isn’t universal.

🔹 Global Availability

• Service availability was confirmed for 178 of 195 countries surveyed.
• Only 115 countries (about half) reported having any low vision services.
• In the African and Western Pacific regions, fewer than 50% of countries offer dedicated low vision care.

U.S. Service Landscape

• Researchers identified 1,228 low vision rehabilitation entities across the United States.
• Of those surveyed (49.5% response rate):
  • 42.7% were private optometry practices
  • Others included hospitals, nonprofits, and university clinics
• Services most commonly offered: optical devices, training, and referrals—but availability varied widely by location and funding.

RELATED: Pediatric Vision Screening Statistics [ New Data]

Barriers to Service Utilization: Why People Don’t Get Help

Having a service nearby doesn’t guarantee people can use it. Research identifies consistent barriers:

Barrier	Why It Matters
Cost	Many LVR services aren’t fully covered by insurance. Out-of-pocket fees for devices, training, or travel add up fast.
Awareness	Many patients, and even some providers, don’t know low vision rehab exists or how to access it.
Transportation	Getting to appointments can be challenging without accessible transit or driver support.
Provider shortages	Few specialists are trained in low vision care, leading to long waitlists.
Cultural & language gaps	Materials and staff aren’t always available in multiple languages or culturally responsive formats.

A review of studies found that over 80% of research examining cost and awareness identified these as significant barriers to accessing low vision rehabilitation.

RELATED: Glaucoma Early Detection Statistics

Outcomes Data: Does Low Vision Support Actually Help?

Yes—and the evidence is strong.

Quality of life improvements: Studies show that optical and electronic low vision devices significantly improve reading ability, confidence, and independence. One Ghana-based study found measurable gains in daily functioning after device training.

Functional gains: Users report better ability to manage medications, recognize faces, read mail, and navigate safely after rehabilitation.

Economic impact: When people with vision loss can work, learn, and participate fully, productivity rises and long-term care costs fall. Globally, sight loss contributes to an estimated $410.7 billion in annual productivity loss—much of it preventable with better access to care and tools.

Sources: IAPB Vision Atlas, MDPI, African Vision and Eye Health Journal, ResearchGate

Economic Impact & Emerging Tech: The Business Case for Low Vision Accessibility

Let’s talk money, not because it’s the most important thing, but because budgets drive decisions. When leaders see the economic scale of vision loss and the ROI of accessibility, change happens faster.

This section covers two big ideas:

1. The cost of inaction: How vision loss impacts global productivity, employment, and household budgets.
2. The opportunity ahead: Where innovation is heading—and how you can get in early.

Market Trends: Assistive Tech Is Booming (And It’s Not Slowing Down)

The assistive technology market for visual impairment isn’t niche anymore. It’s a high-growth sector with serious momentum:

Current valuation: The global market was worth $8.3 billion in 2025.

Projected growth: Expected to reach $15.7 billion by 2034, growing at 7.6% annually.

What’s driving growth?

• Rising prevalence of age-related eye conditions
• Regulatory pushes for digital accessibility (ADA, WCAG, EU Accessibility Act)
• Consumer demand for inclusive, mobile-first design
• AI and wearable tech making tools more powerful and affordable

Quick context: Other market reports show even wider ranges, some project the broader assistive tech market (all disabilities) to hit $41+ billion by 2034. But even the conservative $15.7B figure for vision-specific tech signals strong, sustained demand.

Why this matters for you:

For startups: There’s room for innovation in affordable, smartphone-integrated solutions.
For enterprises: Investing in accessibility now avoids costly retrofits later—and opens new customer segments.
For investors: This isn’t a “charity” sector. It’s a growth market with real user need and policy tailwinds.

RELATED: Telehealth Eye Care Statistics

Employment & Productivity: The $410 Billion Global Gap

Here’s the sobering part: when people with low vision can’t fully participate in work, education, or daily life, everyone loses.

Global productivity loss: Vision impairment and blindness cost the world economy an estimated $410.7 billion per year in lost productivity.

Breakdown:

• $367.1 billion from moderate to severe vision impairment (MSVI)
• $43.6 billion from blindness

Employment impact: Working-age adults (15–64) with vision loss experience a 30.2% relative reduction in employment compared to sighted peers.

Regional hotspots: Half of all global productivity losses concentrate in three regions:

• East Asia ($90.4B)
• South Asia
• High-income North America [Source 3]

But here’s the hopeful flip side:

Corrective interventions pay off: Providing appropriate vision correction can raise productivity or income by 6% to 33%, depending on context.

Workplace accommodations are cost-effective: Simple changes—like screen reader compatibility, flexible lighting, or magnification software—often cost little but dramatically improve retention and output.

Digital accessibility = economic inclusion: When websites, apps, and tools work with assistive tech, more people can work, learn, and contribute.

Insurance & Policy Coverage: Navigating SSDI, SSI, and Beyond

For individuals in the U.S., financial support often hinges on understanding disability programs. Here’s a plain-English overview:

Social Security Disability Insurance (SSDI):

• Available to people who’ve worked and paid Social Security taxes
• Blindness or severe vision loss can qualify if the condition is expected to last ≥12 months
• Higher earnings limit for blind beneficiaries: $2,830/month (2026 threshold) vs. $1,620 for non-blind

Supplemental Security Income (SSI):

• Needs-based program for low-income individuals with disabilities
• No work history required, but strict income/asset limits apply
• Blindness has no duration requirement under SSI rules

Key eligibility notes:

• “Legal blindness” = visual acuity of 20/200 or worse in the better eye with correction, OR visual field of 20 degrees or less
• Low vision without meeting legal blindness criteria may still qualify if functional limitations are severe enough

For employers & advocates: Help employees navigate these programs. Supporting access to benefits isn’t just compassionate, it reduces turnover and builds loyalty.

Emerging Innovations & Future Directions

Now for the exciting part: what’s next in low vision tech? Innovation is moving fast, and many solutions are becoming more affordable, intuitive, and integrated.

AI-Powered Visual Aids & Smart Glasses

Wearables are shifting from bulky dedicated devices to sleek, AI-enhanced glasses that work with everyday life:

Meta AI Glasses now offer:

• Real-time text reading and scene description via voice command
• Hands-free video calls with Be My Eyes volunteers or brand support reps
• Captioned calls with on-lens display for real-time transcription

Third-party apps expanding functionality:

• OOrion: Helps users locate objects, read text, and navigate spaces using live audio feedback
• Aira: Connects users with trained visual interpreters for on-demand assistance

Dedicated assistive wearables like Envision Glasses and OrCam MyEye continue to improve accuracy (99.8% OCR) and social acceptance by being discreet and mobile-first.

Pro tip: Many of these tools work with smartphones you already own. Start with free built-in accessibility features (iOS VoiceOver, Android TalkBack) before investing in hardware.

Tele-Rehabilitation: Care That Comes to You

Not everyone can travel to a low vision clinic. Tele-rehabilitation is changing that:

How it works: Remote sessions via video call where specialists train patients to use magnifiers, screen readers, or mobility techniques—all from home.

Proven benefits:

• Saves time and travel costs (one study found ~$65 and 2 hours saved per veteran session)
• Increases access for rural or mobility-limited users
• Allows caregivers to participate more easily

Current status: While controlled trials are still limited, real-world projects show strong feasibility and user satisfaction.

Policy & Systemic Shifts to Watch

Innovation alone isn’t enough. Systemic change accelerates adoption:

Insurance reform: More insurers are beginning to cover assistive device evaluations and tele-rehab sessions—not just the hardware.

Workplace mandates: Laws like the ADA (U.S.) and the European Accessibility Act are pushing employers to proactively accommodate vision loss.

Research funding: NIH and other bodies are investing in brain-computer interfaces, AI navigation, and next-gen screen readers.

Global equity focus: Initiatives like IAPB’s Vision Atlas are pushing for low-cost, scalable solutions in low-resource settings.

Sources: The Lancet Global Health / PMC, Center for Global Development, SSA, Fighting Blindness