Nasal step | definition of nasal step by Medical dictionary
Roenne nasal step (redirected from nasal step)
Roenne, Henning K.T., Danish ophthalmologist, 1878-1947.
Roenne nasal step - a visual field defect seen in glaucoma.
Roenne nasal step
When scotomata occur above and below the fixation point they meet in the nasal field and form a horizontal step-like defect. It is one of the signs of glaucoma. See Bjerrum's scotoma
References in periodicals archive
a Arcuate and nasal step
defects are characteristic of this condition
It is an inferior nasal step
defect with an inferior paracentral scotoma defect
c) Right nasal step
defect, commonly associated with primary open angle glaucoma