This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Corneal Degenerations, Subject name: Ophthalmology
[{'content': 'Pseudopterigium is not seen in? \nSelect and explain. \nA. Eye surgery, B. Injury of eye, C. Chemical injury of eye, D. Astigmatism', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ANSWER: (D) AstigmatismREF: Smolin and Thoft s The Cornea: Scientific Foundations and Clinical Practice 4th ed page 1005A pseudopterygium is a fibrovascular ring that arises in bulbar conjunctiva and goes on the cornea involving a chemotic conjuctival foldEtiology: inflammatory conditions likeChemical burnsTrauma epithelial defects (Eye surgery, Injury)Cicatricial conjunctivitisPeripheral comeal ulcerationHard contact lens PterygiumPseudopterygiumEtiologyDegenerative conditionInflammatory conditionSiteSeen usually on nasal or temporal sideCan occur any where in conjunctivaAge> 40 yearsAny ageStatusStationary to progressiveStationaryProbe testGlass rod or probe cant be passed underneathCan be passed', 'role': 'assistant'}]