Orthoscopic
Having correct vision, producing correct vision, free from optical distortion, or designed to correct distorted vision.
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- Orthosis, thoracolumbosacral (TLSO)
One of the two main types of braces used to correct the lateral (sideways) curve of the spine in scoliosis. Patients can wear this brace to correct spinal curves whose apex is at or below the eighth thoracic vertebra. The TLSO is an underarm brace, which means that it fits under the arm and around […]
- Orthostatic hypotension
A temporary lowering of blood pressure, usually related to suddenly standing up. Healthy people may experience orthostatic hypotension if they rise quickly from a seated position, especially after a meal. Orthostatic hypotension occurs most commonly in older people. The change in position causes a temporary reduction in blood flow and therefore a shortage of oxygen […]
- Orthotic
A support, brace, or splint used to support, align, prevent, or correct the function of movable parts of the body. Shoe inserts are orthotics that are intended to correct an abnormal or irregular walking pattern, by altering slightly the angles at which the foot strikes a walking or running surface. Other orthotics include neck braces, […]
- Os
The left eye (oculus sinister), as opposed to the right eye (oculus dexter).
- OS (lens prescription)
Abbreviation of “oculus sinister.” Latin for “left eye.” By contrast, OD stands for “oculus dexter” which is Latin for the right eye.