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Cataract

Definition

A cataract is a partial or complete opacity (cloudiness) of one or both eyes. This usually occurs in the lens or capsule and can impair (interfere with) vision to the point of blindness.

Additional Info

Comparison of Eye Protection Options Poster
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The incidence of cataracts increases with age. The cause of cataracts is not often known, however certain diseases such as diabetes are associated with cataracts. Overexposure to the sun (UV radiation), smoking, hot work environments (such as furnaces or glassblowing), pesticide exposure, certain chemicals, as well as ionizing radiation can also increase the risk.

Cataracts can be treated with corrective lenses, medication and/or surgery. Replacement of the lens with an artificial lens is successful in approximately 98% of cases.

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SDS Relevance

Prolonged (chronic) exposure to certain chemicals can cause cataract formation in the eyes, or a condition closely resembling cataracts. Examples of such chemicals include naphthlene, bendiocarb (a pesticide), potassium isocyanate, ethylene oxide, dinitrophenols, ammonium hydroxide, and osmium tetraoxide among others. The damage that these substances cause to your eyes may or may not be reversible.

If you must use substances that can produce eye damage or cataracts, be sure to use proper administrative and engineering controls to prevent the release of the substances into your work environment.

Good ventilation is very important. Personal protective equipment (PPE) such as safety glasses and goggles offer no significant protection from fumes or vapors, so do not rely on these to protect your eyes! Air-supplying or PAPR respirators with full face masks are a good alternative, but simple dust masks or HEPA filters are ineffective against chemical fumes and vapors.

Further Reading

Guardian Equipment G1814 eyewash
Safety Emporium carries all kinds of eye/face washes, safety showers, drench hoses and more.

See also: conjunctivitis, eye wash, sclera.

Additional definitions from Google and OneLook.



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