This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cataract, Subject name: Ophthalmology
[{'content': 'Radiation induced cataract is \nSelect and explain. \nA. Shield cataract, B. Antrior polar cataract, C. Posterior Subcapsular cataract, D. Alpo syndrome', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Radiation can cause Posterior subcapsular cataract Lens is the most sensitive pa of eye for radiation induced damage Miscellaneous Cataract impoant for PGMEE * Sunflower cataract: Wilson disease, chalcosis. * Polychromatic Lusture- Complicated cataract * Coicosteroid: Posterior subcapsular cataract. (Topical steroids cause glaucoma, systemic steroids cause cataract more) * Galactosemia: Oil drop cataract * Anterior lenticonus- Alpo * Posterior Lenticonus- Lowe Syndrome * Rosette Cataract: Blunt trauma * Shield cataract- Atopic dermatitis. * Radiation can cause PSC cataract. * Persistent hyaloid aery: Cause of Posterior polar cataract * Myotonic Dystrophy: Christmas Tree Cataract (mimics the lights on a christmas tree) * Posterior polar cataract: Persistent hyperplastic primary vitreous * Snow storm/Snow flake cataract: Diabetes', 'role': 'assistant'}]