This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
All of the following may lead to corneal opacity in newborn except 
Select and explain. 
A. Endothelial dystrophy, B. Sclerocornea, C. Mucopolysaccharidosis, D. Droplet keratopathy
D: Droplet keratopathy
Answer: D: Droplet keratopathy 
Explanation: D. i.e. Droplet keratopathy Droplet keratopathy also k/a climatic / actinic/ oil-droplet keratopathy is a degenerative condition common in those exposed to a hot, dry, dusty environment and outdoor activity in the sun such as farmerQ. It affects exposed interpalpebral poion of cornea sparing the limbal area. The superficial layers are predominantly affected. It is characterized by superficial non vascularized corneal opacity with lesions in epithelium resembling droplets of oil. Causes of Congenital corneal opacities are: Sclero corneaQ Trauma Ulcer MucopolysaccharidosisQ Peter anomaly Congenital hereditary Endothelial Dystrophy()