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Treatment Spectacle correction. For those with large degrees of anisometropia, the wearing of standard spectacles may cause the person to experience a difference in image magnification between the two eyes (aniseikonia) which could also prevent the development of good binocular vision. This can make it very difficult to wear glasses without ...
Optical aniseikonia due to anisometropia can be corrected by spectacles, contact lenses or refractive corneal surgeries. [5] Spectacle correction is done by changing the optical magnification properties of the auxiliary optics ( corrective lenses ).
The newest type of intervention is a type of PIOL called the implantable collamer lens ( ICL) which uses a biocompatible flexible lens which can be inserted in the eye via a 3 mm incision. The ICL is used to correct myopia ranging from −0.5 to −18 diopters, and +0.5 cylinder power to +6.0 for the Toric ICL models.
Congenital fourth nerve palsy is a condition present at birth characterized by a vertical misalignment of the eyes due to a weakness or paralysis of the superior oblique muscle. Other names for fourth nerve palsy include superior oblique palsy and trochlear nerve palsy. [1]
Recovery of visual acuity usually follows. Treatment should be considered if resorption does not occur within 3–4 months, spontaneously or as the result of counselling. The available evidence suggests that half-dose (or half-fluence) photodynamic therapy is the treatment of choice for CSR with subretinalfluid for longer than 3–4 months.
Eye patches may strengthen the weaker eye but fail to stimulate binocular vision and stereopsis, which may sometimes be recovered by different means. Stereopsis recovery, also recovery from stereoblindness, is the phenomenon of a stereoblind person gaining partial or full ability of stereo vision ( stereopsis ).
Surgical correction. Surgical correction of the hypertropia is desired to achieve binocularity, manage diplopia and/or correct the cosmetic defect. Steps to achieve the same depend on mechanism of the hypertropia and identification of the offending muscles causing the misalignment.
Convergence insufficiency may be treated with convergence exercises prescribed by an eyecare specialist trained in orthoptics or binocular vision anomalies (see: vision therapy ). Some cases of convergence insufficiency are successfully managed by prescription of eyeglasses, sometimes with therapeutic prisms .
In a few cases of strabismic children with anisometropic amblyopia, a balancing of the refractive error eyes via refractive surgery has been performed before strabismus surgery was undertaken. [46] Early treatment of strabismus when the person is a baby may reduce the chance of developing amblyopia and depth perception problems.
Treatment of strabismic or anisometropic amblyopia consists of correcting the optical deficit (wearing the necessary spectacle prescription) and often forcing use of the amblyopic eye, by patching the good eye, or instilling topical atropine in the good eye, or both.