Medical philately (medical theme on stamps). Donders--father of clinical refraction.
Pai-Dhungat
J V
JV
Bhatia Hospital, Mumbai.
Parikh
Falguni
F
D001251:Astigmatism / Q000266:history*; D049672:History, 19th Century; D006801:Humans; D008297:Male; D009426:Netherlands; D009885:Ophthalmology / Q000266:history; D010678:Philately; D012029:Refraction, Ocular