History Of CLs

Question 1

Often cited as being the first to conceive a contact lens. Based on his sketches that appear to illustrate a head plunged into a bowl of water

Answer 1

Leonardo Da Vinci

Question 2

“Corneal neutralization” Discovered while investigating mechanism of accommodation.

Did not develop a prototype contact lens

Answer 2

Leonardo da Vinci

1508

Question 3

Way to perfect vision 1637

• Water filled tube place against eye
• Opposite end of clear glass shaped to correct for gross RE
• Device would be impossible to wear

Answer 3

Rene descartes

Was actually describing the optics of a telescope

Question 4

Father of physiological optics
Name:
What did he first discover:

Answer 4

Thomas young

First to establish the fact that accommodation was related to changes in the crystalline lens

First to describe and measure astigmatism by using spherical lenses and stenopeic slit

Question 5

Thomas young

Answer 5

1801

Designed a 25mm tube closed at one end by a bioconvex lens, filled with water and placed on the orbital rim with wax

This neutralized the refracting effects of the cornea
Designed to study the mechanisms of accommodation