Thomas Young Discovers Astigmatism And Maps Visual Field
Contact Lens King Inc. 2019-01-22
Vision disorders can occur as a result of various potential conditions which include astigmatism. This disorder can present itself in the presence of either nearsightedness or farsightedness and is due to a variation or distortion in the shape of the eye. The cause behind astigmatism was not completely understood until the 19th century, by a man named Thomas Young.
Bloodshot Eyes (Red Eyes) Causes and Treatments
Contact Lens King Inc. 2018-11-29
Although Bloodshot Eyes or Red Eyes are sometimes a result of conjunctivitis, there are many other causes that can render the same condition. As with other body organs, eyes, with the exception of their corneal tissue, contain blood vessels that transport oxygen and vital immunological cells that maintain eye health.
John Dalton and Color Blindness
Contact Lens King Inc. 2018-11-28
Color blindness afflicts approximately 8% of all males and less than 1% of all females. What does it really mean to be color blind? To address this question letís go back a couple hundred years to a man named John Dalton and his observation and discovery of color blindness.
What is Orthokeratology ("ortho-k")?
Contact Lens King Inc. 2018-10-23
John McAllister, Sr. and the First U.S. Shop for Optometric Services
Contact Lens King Inc. 2018-10-17
After opening the John McAllister firm there was no looking back. The firm became nationally recognized as specializing in everything optical. This included optical equipment, vision correction tools, mathematical instruments, and commercial photographs.
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