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level: History of Contact Lenses

Questions and Answers List

Question	Answer
Sketches of a schematic eye and describes the mechanism of image formation from cornea to the optic nerve. Some drawings represent the idea of contact lens	Leonardo Da Vinci 1508
He understood that better vision could be achieved by enlarging the retinal image. He sketched an elongated tube filled with water placed against an eyeball. Demonstrated the principle of telescope but not the contact lens	Rene Descartes
He attempted to show how various optical phenomena in myopes were corrected with spectacle glasses applied to the cornea	Philip De La Hire 1685
He also used a water filled tube to study the accommodative process	Thomas Young 1801
He discussed the correction of irregular cornea by "Applying in contact with the surface of the eye some transparent animal jelly contained in a spherical capsule of glass; or whether an actual mold of the cornea might not be taken and impressed on some transparent medium"	John Herschel 1845
He recommended the insertion of a glass mask filling the fornices in order to prevent formation of symblepharon following lime burns of the eye. He is the first to suggest the use of a therapeutic contact appliance.	William White Cooper 1859
He is the first person to apply a therapeutic contact device. He used gelatin square soaked in mercury chloride	Xavier Galexowski 1886