Did you know?
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
Did you know?
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
petri dish
The medical assistant as receptionist in a medical office.
Topics of Review for Front-Office Personnel
Patients unable to stand may be weighed using a chair scale.
A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ...
Multigroove adjustable pliers are known by many names, including the trade name Channel Locks®.