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The optokinetic reflex ( OKR ), also referred to as the optokinetic response, or optokinetic nystagmus (OKN), is a compensatory reflex that supports visual image stabilization. [1] The purpose of OKR is to prevent image blur on the retina that would otherwise occur when an animal moves its head or navigates through its environment.
The Bates method is an ineffective and potentially dangerous alternative therapy aimed at improving eyesight.Eye-care physician William Horatio Bates (1860–1931) held the erroneous belief that the extraocular muscles effected changes in focus and that "mental strain" caused abnormal action of these muscles; hence he believed that relieving such "strain" would cure defective vision.
Diagram of the vestibular system, the structures whose dysfunction can benefit from vestibular rehabilitation. Vestibular rehabilitation(VR), also known as vestibular rehabilitation therapy(VRT), is a specialized form of physical therapy used to treat vestibular disorders or symptoms, characterized by dizziness, vertigo, imbalance, posture, and ...
So take a walk, do some wall sits, or sit in a chair and stand up 10 times without using your arms to push yourself up, Miller said. Just keep moving. “Our rule for osteoarthritis patients is ...
A concussion is a mild form of traumatic brain injury, or TBI. It occurs when the skull and brain are rapidly jolted back and forth. This is usually the result of a bump, bang, or blow to the head ...
Vision rehabilitation (often called vision rehab) is a term for a medical rehabilitation to improve vision or low vision. In other words, it is the process of restoring functional ability and improving quality of life and independence in an individual who has lost visual function through illness or injury. [1] [2] Most visual rehabilitation ...
Osgood–Schlatter disease ( OSD) is inflammation of the patellar ligament at the tibial tuberosity ( apophysitis) [3] usually affecting adolescents during growth spurts. [5] It is characterized by a painful bump just below the knee that is worse with activity and better with rest. [3] Episodes of pain typically last a few weeks to months. [6]
Stereopsis recovery, also recovery from stereoblindness, is the phenomenon of a stereoblind person gaining partial or full ability of stereo vision ( stereopsis ). Recovering stereo vision as far as possible has long been established as an approach to the therapeutic treatment of stereoblind patients. Treatment aims to recover stereo vision in ...