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Type of deviation: esophoria, exophoria, hyperphoria, hypophoria, cyclophoria; Size of deviation; Rate of recovery that enables the person to achieve binocular single vision. It also says a lot about the strength of control over the deviation. Fixation Targets
The Maddox Wing is an instrument utilized by ophthalmologists, orthoptists and optometrists in the measurement of strabismus (misalignment of the eyes; commonly referred to as a squint or lazy eye by the lay person). It is a quantitative and subjective method of measuring the size of a strabismic deviation by dissociation of the eyes brought ...
Maddox rod. The Maddox rod test can be used to subjectively detect and measure a latent, manifest, horizontal or vertical strabismus for near and distance. The test is based on the principle of diplopic projection. [1]
Prism correction is measured in prism dioptres. A prescription that specifies prism correction will also specify the "base". The base is the thickest part of the lens and is opposite from the apex. Light will be bent towards the base and the image will be shifted towards the apex.
An accretionary wedge or accretionary prism forms from sediments accreted onto the non-subducting tectonic plate at a convergent plate boundary.
May 18, 2024 at 11:49 PM. RICHMOND, Va. (AP) — The Virginia State Police investigator seemed puzzled about what the inmate was describing: “unbearable” conditions at a prison so cold that ...
Esophoria: ET Esotropia: Supp. Suppression V Vision (unaided) VA Visual acuity VA Dcc - VA Dsc Visual acuity with Distant chart with correctors Visual acuity with eye chart at Distant 20 feet (6 m) and with (cc: Latin cum correctore) correctors (spectacles); Dsc is without (sc: Latin sine correctore) correctors. See Visual_acuity#Legal_definitions
Esophoria is an eye condition involving inward deviation of the eye, usually due to extra-ocular muscle imbalance. It is a type of heterophoria. Cause. Causes include: Refractive errors; Divergence insufficiency; Convergence excess; this can be due to nerve, muscle, congenital or mechanical anomalies.
Esotropia is a form of strabismus in which one or both eyes turn inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. It is the opposite of exotropia and usually involves more severe axis deviation than esophoria.
In his case description, the condition was present years after surgical correction of strabismus acquired during childhood and co-existed with aniseikonia. Subsequently, spectacles for size correction ("iseikonic correction") allowed binocular fusion with depth perception to be achieved.