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A prism cover test is a method to measure strabismus, or eye misalignment, by using prism bars and an occluder. It involves performing an alternate cover test with different prism strengths until the deviation is neutralised.
The Hirschberg test, also known as the Hirschberg corneal reflex test, is a method to assess ocular misalignment by observing the light reflex on the cornea. It can detect exotropia, esotropia, hypertropia or hypotropia and is used in optometry and ophthalmology.
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.
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.
Exotropia is a form of strabismus where the eyes are deviated outward, causing crossed diplopia and loss of binocular vision. Learn about the signs, symptoms, causes, and treatment options for exotropia, such as glasses, patching, exercises, surgery, and vision therapy.
This acts to 'weaken' its action and allow the eye to move back into a more neutral alignment. [6] In all cases of congenital fourth nerve palsy, it is important to see an experienced strabismologist about management/treatment options. A strabismologist is an ophthalmologist (eye doctor) specialising in eye movement disorders.
Olympian Stephen Nedoroscik, aka “The Pommel Horse guy,” is living with two eye conditions, strabismus and coloboma. Strabismus, or crossed eyes, occurs when the eyes point in different ...
Strabismus, also known as crossed eyes or squint, is a condition where the eyes do not point at the same object. It can cause double vision, amblyopia, and psychosocial problems. Learn about the types, causes, diagnosis, and treatment of strabismus.
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