A person with peripheral vision loss has difficulty seeing things above, below, or at the side without turning their head. This type of vision loss is also known as tunnel vision. Tunnel vision can ...

Glaucoma affects peripheral vision, creating blind spots in the outer edges of a person’s visual field. This can affect daily activities such as driving and walking. Glaucoma is the name for a group ...

Apostilb: A unit of luminance referred to in the SSA listings. Applicability: The extent to which the results of a perimetry technique can be generalized to the target population and setting for which ...