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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.
Esotropia is a form of strabismus in which one or both eyes turn inward. It can be constant or intermittent, and can be caused by hyperopia, congenital factors, or other conditions. Learn about the different types of esotropia and how they are treated with glasses, prisms, exercises, or surgery.
Infantile esotropia is a type of esotropia (inward eye turn) that occurs in early childhood. Learn about its presentation, causes, diagnosis, treatment and controversies from this comprehensive article.
A cover test or cover-uncover test is an eye examination to measure ocular deviation. Learn about the alternating and unilateral cover tests, the fixation targets, the characteristics of strabismus and the practical application of the test.
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.
The BSGT is used for patients with strabismus to test for suppression, normal retinal correspondence or abnormal retinal correspondence, [2] particularly in cases of manifest strabismus. [3] The Bagolini Striated Glasses Test is the test most likely to allow the demonstration of fusion in patients who fuse intermittently.
Young children with strabismus normally suppress the visual field of one eye (or part of it), whereas adults who develop strabismus normally do not suppress and therefore suffer from double vision . This also means that adults (and older children) have a higher risk of post-operative diplopia after undergoing strabismus surgery than young children.
The cross-cover test, or alternating cover test is usually employed to detect heterophoria. One eye is covered, and then the cover is moved immediately over to the other eye. With heterophoria, when the cover is moved to the other eye, the eye that has just been uncovered can be seen to move from a deviated point.