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The prism cover test (PCT) is an objective method to measure ocular misalignment or strabismus. It involves using prism bars, occluder and targets to neutralise the deviation and record the angle and base of the prism.
The Worth 4 dot test is a clinical test for assessing binocular vision and eye alignment. It involves wearing red-green goggles and seeing four lights in a diamond formation, which can indicate normal or abnormal fusion, suppression, or diplopia.
CPEO stands for chronic progressive external ophthalmoplegia, a condition that affects the ability to move the eyes and eyebrows. It is often associated with other symptoms of mitochondrial disease, such as muscle weakness, hearing loss, and retinal abnormalities.
The management of strabismus may include the use of drugs or surgery to correct the strabismus.Agents used include paralytic agents such as botox used on extraocular muscles, [1] topical autonomic nervous system agents to alter the refractive index in the eyes, and agents that act in the central nervous system to correct amblyopia.
Botulinum toxin therapy of strabismus is a medical technique used sometimes in the management of strabismus, in which botulinum toxin is injected into selected extraocular muscles in order to reduce the misalignment of the eyes. The injection of the toxin to treat strabismus, reported upon in 1981, is considered to be the first ever use of ...
Children with strabismus, particularly those with exotropia, an outward turn, may be more likely to develop a mental health disorder than normal-sighted children. Researchers have theorized that esotropia (an inward turn) was not found to be linked to a higher propensity for mental illness due to the age range of the participants, as well as ...
Prentice's rule is a formula to calculate the amount of prism correction in a lens based on decentration and lens power. It can be used for prescribing, tolerance control, or determining unprescribed prism in eyeglasses.
Atrial fibrillation is being diagnosed at an alarming rate, but a therapy long used in Europe is now available in the U.S. The Mayo Clinic is among the first to offer this treatment, which aims to ...