Sankara Nethralaya is a not-for-profit missionary institution for ophthalmic care (i.e., an eye hospital) headquartered in Chennai, India. In the name "Sankara Nethralaya", "Sankara" is a reference to Adi Shankaracharya and "Nethralaya" means "The Temple of the Eye". Sankara Nethralaya receives patients from India and abroad. Sankara Nethralaya has over 1000 employees and serves around 1500 patients per day, performing over 100 surgeries per day. The annual revenue as per the taxes is close to US$100 million.