Who invented the contact lens

Q. Who invented the contact lens ? 

कॉन्टैक्ट लेंस का आविष्कार किसने किया था ?

(A) Enrico Fermi / एनरिको फर्मी 

(B) Adolf Gaston Eugen Fick / एडॉल्फ गैस्टन यूजेन फिक 

(C) Sandford Fleming / सैंडफोर्ड फ्लेमिंग  

(D) Benoit Fourneyron / बेनोइट फोरनेरोन 

ANS: = (B) Adolf Gaston Eugen Fick / एडॉल्फ गैस्टन यूजेन फिक 

Details: - Adolf Gaston Eugen Fick invented the contact lens. He was a German ophthalmologist in 1888. He constructed and fitted what was to be considered the first successful model of a contact lens. An a focal scleral contact shell made from heavy brown glass, which he tested first on rabbits, then on himself and lastly on a small group of volunteers.