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Yoked prism can move the image away from primary gaze without the need for a constant head tilt or turn. Prism correction is measured in prism dioptres. A prescription that specifies prism correction will also specify the "base". The base is the thickest part of the lens and is opposite from the apex.
Ocular myasthenia gravis (MG) is a disease of the neuromuscular junction resulting in hallmark variability in muscle weakness and fatigability. MG is an autoimmune disease where anomalous antibodies are produced against the naturally occurring acetylcholine receptors in voluntary muscles. MG may be limited to the muscles of the eye (ocular MG ...
An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.
Fixation disparity. Appearance. Fixation disparity is a tendency of the eyes to drift in the direction of the heterophoria. While the heterophoria refers to a fusion-free vergence state, the fixation disparity refers to a small misalignment of the visual axes when both eyes are open in an observer with normal fusion and binocular vision. [1]
Why we don’t know exactly how hair microneedling works, this most likely method comes from knowledge about how hair loss in men works. A large variety of issues can cause or contribute to hair loss.
Tips and strategies from 50 men over age 50 who are redefining what age 50 looks like. Plus: Weight loss and muscle building tips at age 50. ... If a look at Lenny Kravitz, The Rock, Dave Bautista ...
Pair offers only about 10 frame styles each for men and women, with five available for kids. But you can choose from dozens of top options, everything from solid colors to holiday themes to "sun ...
When the study participants used a hot styling tool that reached 210 degrees Celsius/410 degrees Fahrenheit, the chemical emissions from the hair care products increased anywhere from 50% to 310%.