Are Scotomas Permanent

A scotoma is a blind spot in your vision. It can be temporary or permanent, and it may stay in the same place or move around in your vision. The spot may be in the center, or it may be around the edges of your vision.

Can scotoma cause blindness?

The absence of vision may or may not progress across the visual field. Retinal migraine may result in the same type of visual deficit (negative aura); however, positive scotoma or blindness is also possible.

What can cause a scotoma?

Common causes of scotomata include demyelinating disease such as multiple sclerosis (retrobulbar neuritis), damage to nerve fiber layer in the retina (seen as cotton wool spots) due to hypertension, toxic substances such as methyl alcohol, ethambutol and quinine, nutritional deficiencies, vascular blockages either in …