Astigmatism

What is it ??

common vision problem caused by an error in the shape of the cornea ,the lens of the eye or the cornea, which is the front surface of the eye, has an irregular curve. This can change the way light passes, or refracts, to your retina.

Normal Vision

At the very back of the eye is a curved and light-sensing layer called the retina. The retina senses light rays and acts as a messenger to the brain. The brain, in turn, translates the information it receives into images.

How does it affect vision??

Astigmatism changes the way light passes to a person’s retina which can cause distorted or blurry vision. This is also associated with hyperopia (farsightedness) or myopia (nearsightedness) most cases are severe and corrective treatment is needed, having an astigmatism makes it difficult to drive, read or see things without some type of correction.

Big image

History

Gestalt uses the approach of grouping making elements to become apart of one object which translates to configuration and organizing principles which determines how elements are grouped together and mostly things that are similar appear to be grouped together.