Ring scotoma

Definition

A ring scotoma is a scotoma that surrounds the central field. Initially, it may consist of several smaller scotomas that gradually coalesce.

Also indexed as

Nearby in Peripheral field deficit

• 9D42.20Enlarged blind spot
• 9D42.21Arcuate scotoma
• 9D42.22Nasal step
• 9D42.24Isolated peripheral scotoma
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified