Bjerrum scotoma

(redirected from Bjerrum sign)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.

Bjer·rum sco·to·ma

(byer'ūm),
a comet-shaped scotoma, occurring in glaucoma, attached at the temporal end to the blind spot or separated from it by a narrow gap; the defect widens as it extends above and nasally curves around the fixation spot, and then extends downward to end exactly at the nasal horizontal meridian.

Bjer·rum sco·to·ma

(byer'ūm skō-tō'mă)
A scotoma shaped like a comet's tail; occurs in glaucoma, attached at the temporal end to the blind spot or separated from it by a narrow gap; the defect widens as it extends above and nasally curves around the fixation spot, and then extends downward to end exactly at the nasal horizontal meridian.

Bjerrum scotoma

A sickle- or comet-shaped blind spot usually found in the central zone of the visual field; seen in glaucoma.

Bjerrum,

Jannik P., Danish ophthalmologist, 1851-1926.
Bjerrum scotoma - a comet-shaped scotoma, occurring in glaucoma. Synonym(s): Bjerrum sign; sickle scotoma
Bjerrum scotometer
Bjerrum screen - a flat, usually black surface used to measure the central 30 degrees of the field of vision. Synonym(s): tangent screen
Bjerrum sign - Synonym(s): Bjerrum scotoma