Color-Blindness Test

Color-Blindness Test

A clean, ad-free Ishihara color-vision test for iPhone and iPad. Tap to erase the dotted overlay and reveal the hidden number — a quick way to check your color vision.

Download on the App Store

Features

About

Color blindness is the inability to distinguish between certain colors. It results from a deficiency of color-sensitive pigment in the cone cells of the retina, and most often shows up as red-green color blindness. Roughly 8% of men and 0.5% of women are affected, usually from birth.

This app is intended for self-screening and educational purposes only. It is not a substitute for a professional medical examination. If results suggest a deficiency, please consult an eye-care specialist.

色盲 - 视觉检查

简洁无广告的石原氏色觉检查 App,专为 iPhone 与 iPad 设计。轻触擦除干扰圆点,立即揭示隐藏数字,随时随地完成色盲自测。

在 App Store 下载

主要功能

关于

色盲是指对某些颜色缺乏辨别能力,最常见的是红绿色盲。视网膜中负责感色的视锥细胞缺少某种感光色素时,便会出现色觉障碍。据统计,约 5%–8% 的男性和约 0.5% 的女性存在不同程度的色觉异常,多为先天遗传。

本应用仅供自测和科普用途,不能代替专业医疗检查。如检测结果提示可能存在色觉异常,请及时咨询眼科医生。