Origin of spectacles in India.
D005060:Europe; D005139:Eyeglasses / Q000266:history*; D049669:History, 16th Century; D049670:History, 17th Century; D049691:History, Medieval; D007194:India; D008513:Medicine in Literature; D008514:Medicine, Arabic; D008515:Medicine, Ayurvedic; D013188:Sri Lanka