Glossary

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Abnormal Head Position

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Print Version Abnormal Head Position WHAT IS AN ABNORMAL HEAD POSITION? This is when the head is not straight when focusing. The head can be with the chin up or down, titled right or left, the face turned right or left, or a mixture of any of these. The ...
Created By: Marlo Russell 10-27-2023
Last Updated By: Jacob Hinnen 11-04-2024

Accommodative Esotropia

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Print Version American Association of Certified Orthoptists (AACO) Handout Accommodative Esotropia WHAT IS ACCOMMODATIVE ESOTROPIA? Accommodative esotropia is when the eyes don’t line up properly, which is also called strabismus. It’s a common problem in ...
Created By: Christina Scott 05-24-2022
Last Updated By: Rachel Parmentier 6 days ago

Achromatopsia

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PRINT VERSION Achromatopsia What is Achromatopsia? Achromatopsia is an eye problem where it is hard to see and hard to see colors. This is because a part of the eye called the retina does not work well. People with this issue have blurry vision and mostly see ...
Created By: Christina Scott 03-26-2022
Last Updated By: Jacob Hinnen 11-04-2024

Adjustable Sutures in Strabismus Surgery

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PRINT VERSION Adjustable Sutures in Strabismus Surgery 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 ...
Created By: Christina Scott 12-21-2022
Last Updated By: Jacob Hinnen 11-04-2024

Adult Strabismus (Eye Misalignment)

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Adult Strabismus (Adult Eye Misalignment) Print Version Print Version (In Arabic) 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 ...
Created By: Christina Scott 09-09-2022
Last Updated By: Jacob Hinnen 07-16-2025

Albinism

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Print Version Albinism What is albinism? Albinism is a medical problem that people are born with and it runs in families.  People with albinism have less pigment (melanin) which gives color to their skin, hair, and eyes [figure 1]. Fig. 1: People with ...
Created By: Marlo Russell 12-18-2023
Last Updated By: Katie Dansereau 08-20-2025

Allergic Conjunctivitis

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Print Version Allergic Conjunctivitis What is allergic conjunctivitis? Allergic conjunctivitis is a common eye problem that affects roughly about 1 in 5 children. It happens when the thin layer covering the white part of the eye (called the conjunctiva) reacts ...
Created By: Christina Scott 04-11-2023
Last Updated By: Rachel Parmentier 6 days ago

Amblyopia

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Print Version- English   Print Version- Arabic Amblyopia Listen and learn on the go! AAPOS's new podcast Eye Wonder: Exploring Pediatric Ophthalmology hosts episodes on the most common eye conditions. Tune into our episode on Amblyopia.  What is Amblyopia? ...
Created By: Scott Larson 05-12-2022
Last Updated By: Rachel Parmentier 09-30-2025

Amblyopia (Defined)

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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
Created By: Unknown user
Last Updated By: HL Admin 02-26-2018

Anatomy of the Eye

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Print Version  External (Extraocular) Anatomy   Listen and Learn on the go! AAPOS's new podcast Eye Wonder: Exploring Pediatric Ophthalmology hosts episodes on the most common eye conditions. Tune into   our episode walking you through the eye's anatomy.  ...
Created By: Marlo Russell 10-05-2023
Last Updated By: Katie Dansereau 09-04-2025