This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Symptomatic Disturbance of Vision, Subject name: Ophthalmology
[{'content': 'Vitreous hemorrhage produces - \nSelect and explain. \nA. Sudden painless loss of vision, B. Sudden painful loss of vision, C. Gradual painless loss of vision, D. Gradual painful loss of vision', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Sudden painless loss of vision SuddenGradualPainfulPainlessPainfulPainlesso Acute congestive (angle closure) glaucomao Acute iridocyclitis (uveitis)o Chemical & mechanical injury to eyeballo Endophthalmitiso Optic neuritiso Macular edemao CRAO (central retinal artery' occlusion)o CRVO (central retinal vein occlusion)o Central serous retinopathyo Retinal detachmento Exudative Age Related Macular Degereration (ARMD)o Vitreous & retinal haemorrhageo Methyl alcohol amblyopiao Subluxation or dislocation of lenso Corneal ulcerationo Chronic simple glacoumao Chronic iridocyclitis (uveitis)o Progressive pterygiumo Corneal dystrophyo Comeal degenerationo Cataract (development & senile)o Chorioretinal degenerationo Dry type- Age related macular degeneration (ARMD)o Diabetic retinopathyo Refractive errorso Presbyopia", 'role': 'assistant'}]