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Someone with esotropia will squint with either the right or the left eye but never with both eyes simultaneously. In a left esotropia, the left eye 'squints,' and in a right esotropia the right eye 'squints.' In an alternating esotropia, the patient is able to alternate fixation between their right and left eye so that at one moment the right ...
This individual tries to look to his right, but the right eye fails to turn to the side. The nerve dysfunction induces esotropia , a convergent squint on distance fixation. On near fixation the affected individual may have only a latent deviation and be able to maintain binocularity or have an esotropia of a smaller size.
Esotropia (eyes crossed); exotropia (eyes diverge); hypertropia (eyes vertically misaligned) Causes: Muscle dysfunction, farsightedness, problems in the brain, trauma, infections: Risk factors: Premature birth, cerebral palsy, family history: Diagnostic method: Observing light reflected from the pupil: Differential diagnosis
For an abnormal result, based on where the light lands on the cornea, the examiner can detect if there is an exotropia (abnormal eye is turned out), esotropia (abnormal eye is turned in), hypertropia (abnormal eye higher than the normal one) or hypotropia (abnormal eye is lower than the normal one).
Ophthalmology. Exotropia is a form of strabismus where the eyes are deviated outward. It is the opposite of esotropia and usually involves more severe axis deviation than exophoria. People with exotropia often experience crossed diplopia. Intermittent exotropia is a fairly common condition.
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Dissociated vertical deviation ( DVD) is an eye condition which occurs in association with a squint, typically infantile esotropia. The exact cause is unknown, although it is logical to assume it is from faulty innervation of eye muscles.
Specialty. Ophthalmology. Infantile esotropia is an ocular condition of early onset in which one or either eye turns inward. It is a specific sub-type of esotropia and has been a subject of much debate amongst ophthalmologists with regard to its naming, diagnostic features, and treatment.
Anisometropia causes some people to have mild vision problems, or occasionally more serious symptoms like alternating vision or frequent squinting. However, since most people do not show any clear symptoms, the condition usually is found during a routine eye exam.
Ophthalmology. Fourth cranial nerve palsy or trochlear nerve palsy, is a condition affecting cranial nerve 4 (IV), [1] the trochlear nerve, which is one of the cranial nerves. It causes weakness or paralysis of the superior oblique muscle that it innervates.
Patient with Duane syndrome attempting to look far right. Notice the affected left eye faces straight and up, rather than following the right eye to the right. The characteristic features of the syndrome are: Limitation of abduction (outward movement) of the affected eye. Less marked limitation of adduction (inward movement) of the same eye.