Glossary

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Print Version What is an abnormal head posture? An abnormal (or anomalous or compensatory) head posture occurs when the head is deviated out of the normal primary straight head position. Abnormal head positions can include chin up, chin down, tilting of the ...
Print Version WHAT IS ACCOMMODATIVE ESOTROPIA? Accommodative esotropia is a type of strabismus, or eye misalignment.  It is also called refractive esotropia and it is one of the most common forms of esotropia (crossed eye) in children. Accommodative esotropia ...
PRINT VERSION What is Achromatopsia? Achromatopsia is a non-progressive and hereditary visual disorder which is characterized by the absence of color vision, decreased vision, light sensitivity, and nystagmus . The cause of this disorder is absence of functioning ...
PRINT VERSION WHAT IS AN ADJUSTABLE SUTURE IN STRABISMUS SURGERY? Adjustable suture strabismus surgery is a type of eye muscle surgery that allows the surgeon to be able to fine-tune the eye muscle position in the immediate postoperative period. By being able ...
Print Version Can anything be done for adults with strabismus (misaligned eyes)? Yes. Adults can benefit from some of the same treatment options that are available to children for treating strabismus. Treatment options may include prismatic glasses, ...
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Print Version What is albinism? Albinism is an inherited condition present at birth, characterized by a reduced or lack of pigment that normally gives color to the skin, hair, and eyes [figure 1]. Fig. 1: People with albinism have inherited genes that ...
Print Version What is allergic conjunctivitis? Allergic conjunctivitis is a common eye condition that affects more than 20% of the population. It is an allergic reaction of the outer lining of the eyeball (conjunctiva) to particles in the environment to which a ...
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Print Version- English       Print Version- Arabic What is Amblyopia? Amblyopia is decreased vision in one or both eyes due to abnormal vision development in infancy or childhood. In the first few years of life, the brain must learn to see or interpret ...
Loss of vision in one or both eyes caused by conditions that impair the normal visual input during the period of development of vision. #EyeTerms
Print Version External (Extraocular) Anatomy EXTRAOCULAR MUSCLES: There are six muscles that attach to the eye to move it. These muscles originate in the eye socket (orbit) and work to move the eye up, down, side to side, and rotate the eye. The  superior ...