ICD-11 classes
09 Diseases of the visual system
Impairment of visual functions
9D42 — Patterns of visual field impairment
9D42.2 — Peripheral field deficit
9D42.22 — Nasal step
ICD-11 9D42.22 — Nasal step
A nasal step is a discontinuity of the nasal field limit at the horizontal meridian. It is typical for glaucoma.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.