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Strabismus

Eye strabismus

QuestionAnswer
What is strabismus? A condition in which the visual axis of one eye is not directed towards a fixation point.
what is Binocular single vision? The ability to use both eyes together to see objects as one.
What is fusion? The ability to perceive two similar images, one formed on each retina, as one.
What is diplopia? Double vision
What is suppression? The inhibition of the image from one eye, when both eyes are open. Done to avoid diplopia.
What is dissociation? Disruption of fusion.
Occluder? A tool used to cover an eye.
what is Primary position? The straight ahead position.
what is Orthophoria? No deviation, and non occurs upon dissociation.
what is Heterophoria? visual axis that deviate from parallelism upon dissociation. LATENT deviation.
what is Heterotropia? misalignment of visual axis. MANIFEST deviation.
What is esodeviation? one or both eyes deviate NASALLY , with or without dissociation.
what is Exodeviation? one or both eyes deviate TEMPORALLY, with or without disassociation.
what is Hyperdeviation? Tendency for ONE of the eyes to deviate UPWARDS, with or without dissociation.
what is Hypodeviation? Tendency for ONE of the eyes to deviate DOWNWARDS, with or without deviation.
what is Constant? (-tropia) a MANEFEST deviation of the visual axes, present all times, under all testing conditions.
Whats Intermittent? (phoria) a MANEFISTATION of the visual axis, only present at certain times, under certain conditions.
What is Stereopsis? Appreciation for third demotion, depth perception.
what is Angle? Amount of misalignment of the axis present.
what is Palsy? Loss of function of a muscle.
Created by: Hebaalbaiaty
 

 



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