ICSE Class 10: Videos

Myopia and hypermetropia are caused by the incorrect refraction of light rays by the eye-lens, while cataract is caused by a cloudy lens resulting in blurred vision.

Myopia is also known as near sightedness.

High converging power of an eye-lens is not a cause of hypermetropia.

High converging power of the eye-lens is a cause of myopia.

A concave lens is used to correct a defect called myopia.