Do you know how the human eye works? Here are some interesting facts about the human eye, which is the most fascinating but complex organ of the human body. Have you considered how human eyes adjust their tune according to the intensity of light, capture the surrounding scenery in nanoseconds even when we are continuously moving, and behave differently in bright sunlight or dim candlelight? Human eyes are a natural, highly efficient camera that captures every detail of our surroundings.

This fact sheet is part of our Ophthalmology and Optometry Information Guide series, developed to help people understand eye conditions and their impact on navigating the built environment.