This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diagnosis and Treatment of Retina, Subject name: Ophthalmology
[{'content': 'Instrument of choice for diagnosing pediatric retinal disorders \nSelect and explain. \nA. OCT, B. Fluorescein angiography, C. Slit lamp examination, D. Retcam', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Retcam has been used to diagnose pediatric retinal disorders. It has a probe which is put over eye which captures the fundus photo. It can also do fluorescein angiography and is used for tele consultation too High Yield Facts *Factors responsible for ROP : Low GA is more impoant than LBW *WHO Vision 2020 program targets ROP as "avoidable disease" *Nd:Yag LASER is used in ROP Photocoagulation *30 Day Screening Strategy: ROP screening in NICU *Anti VEGF & Algae extracts: Experimentally evaluated for Rx *Lensectomy is done for cataract a/w ROP *Stage 5 ROP: Rx is Vitrectomy under poor prognosis *Retcam: Retinal wide field camera for diagnosis, training and angiography in Pediatric retinal anomalies', 'role': 'assistant'}]