Optic disc asymmetry is a common finding. In the majority of cases automated visual fields are normal. However, in a minority,
a visual field defect may lead to a diagnosis of normal tension glaucoma. Rarely, the optic discs and visual field deteriorate
irrespective of the normal or reduced intraocular pressure.
Drs. Gupta and Rahman are from the Manchester Royal Eye Hospital, Manchester, UK, and Dr. Mohan is from Burnley General Hospital,
Burnley, UK.
The authors have stated that they do not have a significant financial interest or other relationship with any product manufacturer
or provider of services discussed in this article. The authors also do not discuss the use of off-label products, which includes
unlabeled, unapproved, or investigative products or devices.
The authors present a rare case of optic nerve compression secondary to nasal polyps, presenting with asymmetrical disc cupping
and progressive visual field changes.