This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ocular Trauma, Subject name: Ophthalmology
A 38-year-old woman had a left iron intraocular foreign body removed one year ago. Her current visual acuity was 6/6 in the right eye and 6/60 in the left. She is at risk of developing all of the following except 
Select and explain. 
A. Miosis, B. Cataract, C. Open angle Glaucoma, D. Optic atrophy
A: Miosis
Answer: A: Miosis 
Explanation: Ans. (a) MiosisThe patient has Siderosis, left eye trauma with iron foreign body.Siderosis damages the ocular structures mainly through the toxic effects of iron on the epithelium. In siderosis, the following signs may be seen:* Mydriasis due to damage of the sphincter muscle - option a* Glaucoma from damaged trabecular meshwork - option c* Cataract from iron deposition - option b* Pigmentary changes in the retina with attenuation of the vessels and optic atrophy - option d.