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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Painless sudden visual loss is seen in all except:
assistant
The correct answer is  Answer ie 'd' ie Angle closure glaucoma (Ref. Parson, 19/e, p307, p148)Angle closure glaucoma is well known to be painful condition. Acute cases of angle closure glaucoma cause severe headache with red eye.Causes of painless sudden loss of visionUnilateralBilateral* Retinal detachment* Bilateral occipital infarction* Retinal vascular occlusion* Atypical optic neuritis* Vitreous Haemorrhage* Diabetic retinopathy* Retinal Haemorrhage* Grade IV hypertensive retinopathy with macular star* Exudative age related macular degeneration* Toxic optic neuropathy* Subluxation or dislocation of lens* Posterior neuritis