Visual acuity improvement after treatment of central retinal artery occlusion: a case report

Abstract

Central Retinal Artery Occlusion (CRAO) is a serious ophthalmic emergency characterized by sudden, painless vision loss in one eye. This condition leads to rapid and significant visual impairment if not treated promptly. This case illustrates an adult man with hypertension presented with unilateral, painless, sudden vision loss occurring 13 hours before admission. Examination revealed a visual acuity of 1-meter counting finger in the affected eye, a cherry red spot, and a pale retina. Diagnosed with CRAO, immediate interventions included ocular massage, and acetazolamide loading alongside systemic antihypertensive medication. Visual acuity improved significantly, with the patient able to see 5/30 on the nasal side and can maintain this visual acuity until 6 months follow-up. Immediate and aggressive treatment for CRAO can lead to significant visual recovery even when initiated beyond the traditionally recommended time frame, underscoring the need for quick recognition and intervention in CRAO cases.