Atypical case of choroidal osteoma associated to polypoidal choroidal vasculopathy and preretinal neovascular membrane.

Purpose: To report a very rare and atypical case of an elderly Caucasian female patient who developed perilesional multiple polypoidal choroidal vasculopathy (PCV) as a probable complication of choroidal osteoma (CO), associated to preretinal neovascular membrane overlying the lesion.

Methods: Observational case report.

Case Observation: A 60-year-old Caucasian woman presented with blurred vision in her right eye (RE).

Retinal changes in multiple sclerosis: An optical coherence tomography and angiography study.

Background: Multiple sclerosis (MS) is an autoimmune demyelinating disease of the central nervous system with neuroaxonal damage. It is the principal driver of non-traumatic disability in young adults. Visual symptoms are common and optic neuritis (ON) may be the revealing feature in up to 30% of cases.

Bilateral central retinal vein occlusion following COVID-19 vaccination: Cause or coincidence?

Aim: To report a case of sequential bilateral ischemic central retinal vein occlusion (CRVO) following the third dose of anti-COVID 19 vaccination.

Methods: Observational case report.

Results: A 73-year-old Caucasian male patient, with no known medical history, complained of sudden vision loss in his right eye (RE) 18 days following the third dose of Pfizer-BioNTech anti-COVID 19 vaccination.