Ring scotoma is seen in :
The hallmark symptoms of retinitis pigmentosa are night blindness (nyctalopia) and gradually progressive peripheral visual field loss as a result of increasing and coalescing ring scotomas. The most characteristic fundoscopic findings are attenuated retinal aerioles, waxy pale optic disk, mottling of the retinal pigment epithelium, and peripheral retinal pigment clumping, referred to as "bone-spicule formation. Ref : Fletcher E.C., Chong N., Augsburger J.J., Correa Z.M. (2011). Chapter 10. Retina. In P. Riordan-Eva, E.T. Cunningham, Jr. (Eds), Vaughan & Asbury's General Ophthalmology, 18e.
Papilledema
Macular edema
CRAO
Retinitis pigmentosa