NAO Book 1 Questions And Answers Rated 100% Correct!!
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Course
NAO Book 1
Institution
NAO Book 1
Layers of the cornea (outermost-innermost) - ️️Epithelium, Bowman's layer,
stroma, descements membrane, endothelium
Layers of tear film (outer-innermost) - ️️Lipid, aqueous, mucin
Tear lake, tear prism, tear meniscus - ️️Collection of the thin film of tears on the
lower lid margin
...
Outer tunic - ✔️✔️Fibrous; receives O2 from tears and blood vessels
Epithelium - ✔️✔️Has 5-7 layers
Bowman's layer - ✔️✔️If damaged, scar tissue will form
Endothelium - ✔️✔️If deprived of O2, will lost cells quickly & cause swelling
, Average power of the cornea - ✔️✔️42.00-45.00 diopters
Middle tunic - ✔️✔️vascular
Inner tunic - ✔️✔️Light sensitive
Anterior chamber - ✔️✔️Back surface of the cornea & the iris
Posterior chamber - ✔️✔️Between the iris and crystalline lens
Anisocoria - ✔️✔️unequal pupil size
Iritis - ✔️✔️inflammation of the iris
Sphincter - ✔️✔️Muscle that constricts, causing the pupil to become smaller
Dilator - ✔️✔️Muscle dilates causing the pupil to become larger
Floaters - ✔️✔️Located in the vitreous
Aphakia - ✔️✔️Absence of the crystalline lens
Presbyopia - ✔️✔️loss of accommodation
6 extraocular muscles - ✔️✔️Medial rectus, lateral rectus, inferior rectus, superior
rectus, superior oblique, inferior oblique
-tropia - ✔️✔️A definite turning of the eye
Tear film - ✔️✔️How the cornea primarily received it's nutrients
Anisometropia - ✔️✔️significant unequal refractive error between two eyes
choroid - ✔️✔️Primary purpose is to supply nutrients to the retina
photopic - ✔️✔️Using cones in lighted conditions
Fovea - ✔️✔️Area of the retina capable of fine detailed vision
Adduction - ✔️✔️Turning inwards; towards the nose
Abduction - ✔️✔️Turning outwards; towards the temple
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