Why is 20/200 Legally Blind?
Vision loss can be a frightening diagnosis. But with the right support and tools, people with even severe vision impairment can live active, independent lives. This guide will explain what 20/200 vision means, how it impacts daily living, and resources to maximize quality of life.
What Does 20/200 Vision Mean?
Visual acuity measures how clearly you can see details. It‘s tested by reading letters on an eye chart. 20/20 is normal vision. 20/200 means from 20 feet away, you can only see what someone with normal sight sees clearly from 200 feet away.
Legally blind is defined as 20/200 vision or worse in your better eye with best possible glasses or contacts. With 20/200 vision, you have trouble with activities like reading, recognizing faces, watching TV, driving and safely navigating. Significant adaptations are needed to maintain independence.
Here‘s a summary of different visual acuity levels:
| Visual Acuity | Severity |
|---|---|
| 20/20 | Normal vision |
| 20/40 | Mild vision loss |
| 20/70 | Moderate low vision |
| 20/100 | Moderate low vision |
| 20/200 | Severe low vision, legally blind |
| 20/400 | Severe low vision, legally blind |
| 20/500 – 20/1000 | Profound low vision |
The higher the second number, the more severe the visual impairment. For example, 20/400 vision means from 20 feet, you see what someone with normal sight sees from 400 feet away.
Prevalence of Visual Impairment
According to the CDC, around 3.4 million Americans aged 40 and above are either legally blind or suffer from visual impairment. Rates increase with age:
- 1 in 28 people develop vision loss by age 65
- 1 in 14 people develop vision loss by age 80
- 1 in 8 people develop vision loss by age 90
The World Health Organization estimates there are 285 million visually impaired people worldwide. Of those, 39 million are legally blind.
What Causes 20/200 Vision?
Some common eye diseases that can lead to severe vision loss include:
Macular Degeneration
The macula is the part of the retina responsible for central, detailed vision. Age-related macular degeneration causes damage to the macula, resulting in blurry or lost vision in the center of the visual field.
Diabetic Retinopathy
High blood sugar from uncontrolled diabetes damages the retina‘s blood vessels. This disrupts nutrients and oxygen supply to retinal cells. Proliferative retinopathy causes abnormal leaky blood vessel growth which scars the retina.
Glaucoma
Increased eye pressure damages the optic nerve. Peripheral vision starts to diminish resulting in "tunnel vision." If left untreated, glaucoma can lead to total blindness.
Retinitis Pigmentosa
A group of genetic disorders causing progressive degeneration of the retina‘s photoreceptor cells. Night blindness is an early symptom as peripheral vision declines. Tunnel vision develops leading to legal blindness.
Stargardt Disease
Also an inherited retinal disorder causing central vision loss. Blurring and eventually black spots in central sight start in childhood or early adulthood. Gradual decline progresses to legal blindness.
While these conditions are irreversible, early detection and treatment can slow further vision loss. Regular eye exams are key.
Maintaining Independence with Low Vision
Living with 20/200 vision or worse presents many daily challenges. Reading mail, cooking, shopping, walking outside and other routine activities we take for granted become difficult. But aids and techniques can help you stay independent.
Magnification – Handheld or wearable magnifying glasses enlarge text and objects. Some have built-in lights to illuminate reading material. Electronic video magnifiers display magnified text on a monitor or tablet screen.
Lighting – Proper lighting is essential. Add directional task lamps, night lights, flashlight apps. Reduce glare which can be painfully blinding.
Accessibility Features – Smartphones and computers offer screen magnification, text-to-speech and other accessibility options. These tools let you interact with technology independently.
Transportation – While driving legally blind is extremely dangerous, you can still navigate independently. Get familiar with public transit options in your area. Ride share services provide door-to-door transportation.
Home Modifications – Improve home safety by installing grab bars, railings on stairs, proper lighting and removing tripping hazards. Smart home devices like Alexa let you control appliances, security systems and more using voice commands.
Assistive Technology for the Visually Impaired
Advances in digital accessibility empower those with even profound low vision to use computers and smartphones successfully. Here are some key assistive technologies to look into:
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Screen readers – Text-to-speech software conveys onscreen text aloud. Examples include NVDA (free), JAWS, and VoiceOver (for Apple devices).
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Screen magnifiers – Zoom in on parts of the screen. Some magnify the mouse pointer‘s location. Popular options are ZoomText, MAGic and SuperNova.
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Braille displays – Translate screen text into refreshable braille characters. Helpful for text editing and spreadsheets. Brands include Freedom Scientific Focus, HandyTech and HumanWare brailliant.
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OCR apps – Optical character recognition apps recognize text in photos or documents and read it aloud. For example, Seeing AI (free for iOS).
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Smart assistants – Alexa, Siri and Google Assistant provide information, calendar alerts, hands-free messaging and other capabilities through voice commands.
Don‘t struggle alone. Get training on using assistive tech to make device use not only possible, but enjoyable with vision loss.
Thriving as a Visually Impaired Professional
Being legally blind doesn‘t have to stop you from pursuing your career. Many successful professionals excel in fields like law, academia, computer science and more.
As a legally blind computer programmer and tech writer myself, I maximize my remaining vision through magnification tools and screen readers. I also identify as a disability advocate, advising developers on designing accessible interfaces.
Here are some other inspiring folks proving vision loss doesn‘t equate career loss:
- Erick Weihenmayer – Blind adventurer, mountaineer and author. First blind person to climb Mount Everest.
- Haben Girma – Deafblind Harvard-educated lawyer and activist. Advocates for inclusive tech like refreshable braille displays.
- Pete Gustin – Blind web accessibility specialist and motivational speaker. Works to make online experiences usable for disabled users.
- Alexandria Carmon – Software engineer and popular science fiction writer. Lost her sight completely in adulthood but continues writing and coding.
Like them, I urge you not to underestimate what you can achieve. Surround yourself with support and don‘t be afraid to ask for accommodations. Your skills and talents still shine through.
Staying Active with Physical Limitations
Vision loss can make exercising safely a challenge. But an active lifestyle provides immense physical and mental benefits. Adaptive tactics and sports can help you stay fit.
Walking aids like a white cane or guide dog allow independent outdoor mobility. Try learning cane techniques from an orientation and mobility specialist. For walking in groups, use a sighted guide by holding their arm or shoulder lightly.
Accessible fitness gear like stationary bikes, treadmills and ellipticals provide stable aerobic conditioning indoors. Use tactile marks to note settings. Weight machines often have placards in braille. Yoga mats with tactile ridges aid position.
Inclusive sports like goalball, beep baseball and blind soccer offer fun, social team game options. Sports like rowing, cycling and running can be done tandem with a sighted guide.
Don‘t shy away from physical activity. Build confidence with adapted techniques tailored for visual limitations.Moving your body boosts health for all.
Coping Emotionally with Vision Loss
Losing vision can be an extremely difficult adjustment both practically and emotionally. Frustration, anger, depression and isolation are common reactions. But know that these feelings are normal. With time, dedication and peer support, you can regain independence and thrive.
Seeking Professional Help – Counseling, peer support groups and occupational therapy teach positive coping strategies. Don‘t struggle alone.
Connecting with the Community – Organizations like the American Foundation for the Blind offer online forums to exchange advice. Follow blind advocates on social media for inspiration.
Staying Positive – Focus on your abilities, not limitations. Be your own advocate in asking for accommodations. Celebrate victories big and small.
Supporting Loved Ones – If your spouse, parent or child has vision loss, be patient and encouraging. Offer practical help but promote their independence. Provide empathy and a listening ear.
Lean on others who understand firsthand what you‘re going through. You have so much to offer the world and your best days are still ahead.
Driving with Low Vision
Operating a motor vehicle with visual acuity below legal driving standards is extremely unsafe. License requirements vary by state but most consider 20/40 the minimum to drive without restrictions.
If your vision is worse than 20/40 but better than 20/200, limited licensing may be possible with restrictions like:
- Daytime driving only
- No highway/freeway driving
- Adding extra side mirrors
- Maintaining low speeds
But honestly, driving legally blind endangers yourself and others. Rethink your transportation options to preserve independence. Accept when it‘s time to stop driving. Your safety is what matters most.
Government Benefits for the Visually Impaired
Don‘t struggle financially as you manage vision loss. Government and nonprofit programs offer financial help. Key programs include:
SSDI – Social Security Disability Insurance provides monthly income if your vision prevents substantial gainful employment. Approval is based on medical records and functional assessments.
SSI – Supplemental Security Income also provides monthly payments if legal blindness prevents working and you meet income guidelines.
Medicare – Healthcare coverage for those 65+ or receiving SSDI. Covers eye exams, corrective lenses, rehab training and some low vision devices with doctor‘s prescription.
Medicaid – Joint federal/state program covers vision care for qualifying low-income adults and children. Benefits vary by state.
Vocational Rehabilitation – State agencies help cover assistive technologies, academic accommodations, orientation and mobility training and career counseling.
Don‘t let lack of funds limit your independence. Seek assistance if vision loss impacts your livelihood.
Hope for Future Treatments
While most eye diseases are currently incurable, research provides hope for future treatments to restore lost vision. Scientists are making exciting progress on techniques like:
Gene Therapy – Delivering healthy genes into retinal cells to prevent degeneration. Showing promise for inherited diseases like retinitis pigmentosa. Still in clinical trials.
Retinal Prosthetics – Implanting a tiny chip lined with electrodes in the retina to replace photoreceptor function. Early prototypes restore some visual perception.
Optogenetics – Using light-sensitive protein injection to make blind neurons respond to light again. Animal studies demonstrate restored light sensitivity.
Stem Cell Therapy – Coaxing embryonic stem cells into new retinal tissue to replace damaged cells. Thus far only successfully tested in mice.
Though still experimental, these innovations demonstrate the capacity for previously permanent blindness to eventually be curable. There is much hope for the future!
You Are Not Alone
Coping with failing vision may seem scary and isolating. But millions worldwide manage productive, fulfilling lives while legally blind. Visually impaired individuals are still valued members of our communities deserving of dignity, rights and inclusion.
With the proper training, tools and support system, vision loss does not have to prevent you from pursuing your goals and passions. Be kind to yourself through the adjustment process. And know there are people and resources to help you thrive moving forward.
You‘ve got this!