Vision Simulator: Eye Disease

See the world the way someone with an eye condition does.

Vision Simulator applies realistic, clinically informed vision effects to your live camera or any photo. Point it at a room, a face, a street at night or an eye chart, then switch conditions to see how each one changes sight. It was built by Dr. Ryan Evans, OD, a practicing optometrist, to help patients and families understand what an eye condition does to vision.

WHO IT'S FOR
• Families who want to understand what a parent or child is going through
• Eye care professionals explaining a diagnosis in the exam room
• Optometry, medical and nursing students
• Teachers, caregivers, designers and anyone curious about vision

10 CONDITIONS
• Myopia (nearsightedness): with Snellen acuity presets
• Astigmatism: with adjustable axis
• Cataract: yellowing, glare and contrast loss
• Glaucoma: peripheral field loss by stage, down to end-stage tunnel vision
• Age-Related Macular Degeneration (AMD): distortion early, a dark central blind spot when advanced
• Diabetic Retinopathy: hemorrhages, exudates and vitreous hemorrhage by stage
• Color Vision Deficiency: red, green and blue types
• Floaters & Posterior Vitreous Detachment (PVD)
• Retinitis Pigmentosa (RP): narrowing tunnel vision
• Presbyopia: the near-focus blur that starts in your 40s
Plus Normal Vision, a clear reference to compare against.

FREE
• Live camera and photo upload
• 6 built-in sample scenes, including a reading test, eye chart and Amsler grid
• Normal Vision plus 3 conditions: Myopia, Astigmatism and Cataract
• Adjustable severity
• Plain-language notes for each condition

PRO: ONE-TIME $4.99 UNLOCK
No subscription. Pay once, keep it.
• 7 more conditions: Glaucoma, AMD, Diabetic Retinopathy, Color Blindness, Floaters/PVD, Retinitis Pigmentosa and Presbyopia
• Combine multiple conditions at once, such as cataract plus glaucoma
• Side-by-side Compare: drag to wipe between normal and simulated vision
• Family Sharing supported
• Restore your purchase anytime on your devices

PRIVACY
• No ads
• No account needed
• Data Not Collected: images are processed on your device and are never stored or shared
An internet connection is required to use the app.

IMPORTANT
Vision Simulator is for education and demonstration only. It is not a diagnostic tool and does not replace a comprehensive eye examination. Simulations are approximations, and every person's vision is different. If you notice changes in your vision, see your eye doctor.