What They See — App Store rankings

About this app

The developer's US App Store description, in full.

Ever wondered what the world looks like through someone else's eyes? What They See turns your iPhone camera into a real-time vision simulator. Point it at anything and instantly see how someone with colorblindness, cataracts, myopia, or dyslexia experiences the world. Built with optometrists and educators in mind, but made for anyone who's ever been curious about how other people (and animals) see. VISION CONDITIONS - Myopia and hyperopia with depth-aware blur powered by LiDAR - Glaucoma, macular degeneration (dry and wet), retinitis pigmentosa, and diabetic retinopathy - Cataracts: nuclear, cortical, posterior, and mixed types - Astigmatism with full prescription and axis support, plus keratoconus - Presbyopia with an age slider from 40 to 70 - Floaters, visual snow, and night blindness - Drunk vision that shows how alcohol affects sight - Baby vision from newborn through 52 weeks of development COLORBLINDNESS - Deuteranopia, protanopia, tritanopia, and monochromacy - Adjustable severity so you can see mild to complete color shifts DYSLEXIA - Multiple research-backed simulation types available in 39 languages - Point your camera at any text and see it transform in real time ANIMAL VISION - See the world as a dog, cat, deer, bee, eagle, shark, octopus, fly, spider, owl, snake, mantis shrimp, and more - Ever wonder why your dog can't find the orange ball in green grass? Now you'll know. LEARN MORE WITH DEEP DIVES - Every simulation includes an in-depth educational guide - A deep dive for every simulation, with statistics, interactive charts, diagrams, and world maps - Understand the science behind each condition, not just what it looks like USE YOUR OWN PHOTOS - Import any photo from your library and apply any filter CAPTURE AND SHARE - Take photos and record video with any simulation active - Share what you see with family, students, patients, or friends NO SUBSCRIPTIONS - Buy only the filters you want, or unlock everything once. No subscriptions, ever. WHAT PEOPLE ARE SAYING "I can totally see how this is useful from a patient education perspective. Like showing a parent what their child's vision is like." - Optometrist "This would be extremely helpful! I have parents all the time asking me to describe what their kids see." - Optometrist "The colorblind filters are genius for helping me decide what colors to choose when trying to make things more accessible." - Board game designer "This is amazing! I'll probably be using it every day!" - Optometrist Whether you're an eye care professional explaining a diagnosis, a teacher building empathy in your classroom, a parent understanding your child's vision, or just someone curious about the world, What They See lets you step into someone else's perspective. Download now and see the world through new eyes. What They See is designed for educational purposes and is not intended for medical diagnosis. Vision is deeply personal, and individual experiences may vary. Our simulations are built on published research and developed in consultation with optometrists, special education teachers, dyslexia specialists, and veterinary professionals.

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