Terms, Definitions, and IMAGES IN TARGET for Congenital Anomalies
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The Visual Acuity (VA) of a newborn is ___________. | 20/400
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| The Visual Acuity (VA) of a 1 year old is ___________. | 20/50
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| The Visual Acuity (VA) of a 3 year old is ___________. | 20/20
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| Medullated (Myelinated) nerve fibers of the retina affect vision. T or F | False
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| A congenital staphyloma is? | Bulging of the sclera posteriorly or bulging of cornea and anterior chamber anteriorly.
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| Which parts of the eye are not fully developed at birth? (5) | Retinal elements, retinal blood vessels, lacrimal gland, globe, orbit
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| The Lacrimal gland begins to function at _____________. | About 3 months - then infant can tear
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| Persistent primary hyperplastic vitreous (PHPV)is located _____________ . | Posterior to the lens - remnant of the original primary vitreous which has become hyperplastic (fibrous).
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| Buphophthalmos occurs in _________________ and is characterized by __________________. | Congenital glaucoma/ Large cornea
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| The central retinal artery derives from the _______________. | Hyaloid artery
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| Cloquet's canal runs from the _____________ to the _______________ and is a remnant of _____________. | Back of the lens/ Optic disc/ Hyaloid vascular system
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| What is coloboma? | A structural defect in tissue
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| How does a congenital coloboma form? | When the layers of the eye do not fuse completely.
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| Name three ocular/adnexa colobomas. | Iris, Lid, Chorioretinal
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Created by:
Leequa
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