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Perry Rosenthal (September 2, 1933 - March 3, 2018) was a Canadian-born American eye surgeon and professor of ophthalmology, known for his work in the development of the first gas-permeable scleral contact lens.
In 1888, Adolf Gaston Eugen Fick was the first to successfully fit contact lenses, which were made from blown glass. Although Louis J. Girard invented a scleral contact lens in 1887, [16] it was German ophthalmologist Adolf Gaston Eugen Fick who in 1888 fabricated the first successful afocal scleral contact lens. [17]
In 1888, he constructed and fitted what was to be considered the first successful model of a contact lens: an afocal 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. It was considered the first successful model of a contact lens.
August Müller (1864 – 1949), born in Mönchengladbach, was a medical student at the University of Kiel, Germany, and a pioneer in the manufacture of contact lenses.In 1889, he presented at the university his doctoral thesis titled Eyeglasses and corneal lenses [1] [2] in which he described his efforts to grind scleral lenses from blown glass.
Scleral lenses are removed using the fingers, or a small lens removal plunger. Lenses are then cleaned and sanitized before reinsertion. Scleral lenses cannot be worn while sleeping and many wearers sanitize their lenses overnight. Unlike regular contact lenses, many sclerals can be stored dry when unused for longer periods of time.
A first aid kit. A fire extinguisher (look to buy small ones designed for cars and homes) ... (the moist towelettes will also come in handy for cleaning off soot and ash) ... contact-lens solution ...