The human eye is the natural convex lens that refracts light. So, it is important to know the defects of vision and which type of lens can cure which defect. World Sight Day is observed on the ...

The intricacy and seeming perfection of the eye, both as an object of anatomical beauty and as a working machine, have worried and intrigued scientists, philosophers and zealots, especially during ...

WebMD's Eyes Anatomy Pages provide a detailed picture and definition of the human eyes. Learn about their function and problems that can affect the eyes.

Nature - Size of the Static Pupil as a Function of Wave-length and Luminosity of the Light Incident on the Human Eye Skip to main content Thank you for visiting nature.com.