PURPOSE To evaluate transient, large visual acuity (VA) decreases, termed sporadic vision loss, during anti-vascular endothelial growth factor treatment for neovascular age-related macular degeneration (AMD). DESIGN Cohort within a randomized clinical trial. METHODS setting: Comparison of Age-Related Macular Degeneration Treatments Trials (CATT). study population: Total of 1185 CATT patient...

The case of a 20 year old female presenting with overnight acute loss of vision is reported. The patient was recently started on topiramate (Hitop) for her recurrent migraine and developed sudden loss of vision due to acute myopia. Topiramate was discontinued and the patient's vision returned to normal. Delayed and incorrect treatment may result in permanent vision loss, secondary to angle clos...

purpose: to report a case of anterior ischemic optic neuropathy (aion) after ingestion of tadalafil (a drug for management of erectile dysfunction). patient and findings: a healthy 26-year-old male was referred due to loss of vision and visual field defect in his left eye a few days after using tadalafil. visual loss was progressive during the following days. examination revealed disc swelling ...

What are the possible causes of the vision loss in this patient? Transient monocular vision loss, previously known as amaurosis fugax, has numerous causes. These include thromboembolic events (e.g., valvular heart disease and atherosclerosis of the carotid artery), hypoperfusion (e.g., stenosis of the carotid artery and ocular ischemic syndrome), ocular causes (e.g., impending or partial occlus...

Optic neuritis an inflammatory disorder of the optic nerve inflammation is usually in young’s with symptoms of eye pain and vision loss that occurs is a common symptom of MS. Optic neuritis is one of the first symptoms of MS that observable into disorders in white matter of cerebral cortex. The risk of MS in patients with optic neuritis during 2 years 20% in 15 years, 45-80% is calculated...