Strabismus

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    Strabismus is when your eye muscles do not work together to keep both of your eyes looking in the same direction (binocular vision). One eye is either turned in, out, up or down. This is often called being “crossed eyed.” When the eyes are not aligned, two images are seen. This results in double vision (diplopia). CAUSES Strabismus may be caused by: Diabetes. Stroke. Migraine headache. Bell palsy. Viral infection. Tumors or abnormal blood vessels growing behind

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    Partial accommodative esotropia is a common type of strabismus which is frequently seen in ophthalmic clinic. The definitive treatment is surgery after full refractive and amblyopic therapy. There are multiple studies that has been conducted to demonstrate the result of one muscle surgery on other types of strabismus. One muscle surgery has the advantage of less operative time, less anaesthetic and surgical complications, and leave the other horizontal muscle reserve for a second step if it is required

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    amblyopia eventually leads to vision loss in the weaker eye. CAUSES Any condition that makes the eyes focus improperly can cause amblyopia, including: Astigmatism. Astigmatism is poor eyesight from an abnormal curvature of the eye. Strabismus. Strabismus, sometimes

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    Amblyopia Research Paper

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    best-corrected visual acuity that cannot be attributed directly to the effect of any structural abnormality of the eye or the posterior visual pathways. Amblyopia is caused by abnormal visual experience early in life resulting from one of the following: strabismus anisometropia or high bilateral refractive errors (isometropia), stimulus deprivation Amblyopia is responsible for more unilaterally reduced vision of childhood onset than all other causes combined, with a prevalence of 2%- 4% in the North American

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    Amblyopia Essay

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    population. (7) Unilateral amblyopia is a difference in visual acuity of two lines or more with best correction. (10) Furthermore, there are many risk factors that can contribute to the development of amblyopia such as refractive errors, deprivation and strabismus. (7,4) Moreover, amblyopia can be diagnosed by visual acuity testing, which as previously stated, usually has a difference in vision of two lines or more with best correction. (3) Furthermore, amblyopia can be diagnosed by stereo-acuity testing

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    Ocular Dominance

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    vision is produced. However, it is less understood whether ophthalmologic diseases, specifically forms of astigmatism, strabismus and cataracts, have an impact on the development and maintenance of these ocular dominance columns. Ocular dominance columns were labelled with cytochrome oxidase, an enzyme used to identify

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    situations, definitions and starting points as similar as possible is necessary. However, this forced the authors to extend their research back to 1990 which causes the review to cover over 20 years of surgeries. During this time period the options for strabismus treatments increased greatly, more doctors were practicing vision therapy and so the surgical referrals became fewer, and of those most had a concurrent VT program, discounting them as per the 1985 guidelines. While following the same protocols

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    Stilling–Turk–Duane syndrome, is now a commonly recognized abnormality of ocular motility. The condition is considered as congenital cranial dysinnervation disorders. The incidence is approximately 0.1% part of the general population. 1% to 5% of strabismus patients are likely to have DRS of which 15% are bilateral (1)(2)(3)(4)(5). It is more common in girls (60%) than boys (40%) and left eye is three times more likely to be involved than right eye. Reason for this is unknown. The characteristic features

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    Acquired third nerve palsy evaluation depends on the Signs and symptoms which is depend on the location of lesion in nerve track and according to location of the lesion can cause complete or partial paralysis . Also the evaluation depend on patient’s age because the third nerve palsy is most frequent in peoples older than 60 years and in those with prominent or long-standing risk factors, such as Systemic diseases that may be cause lesion in nerve track or even in midbrain such as diabetes mellitus

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    It is one of the nost poisonous” naturally occurring substances” in the world [4]. By 1973, Alan B Scott, used botulimun toxin type A (BTX-A”) in monkey experiments, and, in 198O, he officially used BTX-A” for the first time in humans” to treat strabismus. In December” 1989, BTX-A” was approved by the US”

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