Eye Conditions

 

Difficulties with vision can generally be divided into Refractive error and Medical eye conditions.

Refractive error is a visual problem caused by the shape or functioning of parts of the eyeball, including its length, corneal curvature, lens curvature and stiffening of the lens. These videos produced by the College of Optometrists explain each condition in turn.

 

The videos below show three of the most common eye conditions which can cause visual impairment.