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Sensory Disorders


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Sensory Disorders


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[Front]


How is the head positioned if air is injected into the vitreous?
[Back]


Unaffected eye upward, lying on abdomen or sitting forward 4-5 days

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71 questions
🇬🇧🇬🇧
Glaucoma is characterized by which 3 factors?
1. Increased IOP 2. Optic nerve atrophy 3. Progressive loss of peripheral vision
How is the head positioned if air is injected into the vitreous?
Unaffected eye upward, lying on abdomen or sitting forward 4-5 days
What is the main symptom of macular degeneration?
Gradual and variable loss of central vision
The cochlea contains which organ?
Organ of Corti (organ of hearing)
After a vitrectomy, the patient should maintain which position for 4 to 5 days?
Lay on abdomen or sit forward; this allows air in the eye to float against the retina
What are miotics?
Agents that cause the pupil to constrict
What are the 4 basic processes necessary to form an image?
1. Refraction 2. Accommodation 3. Constriction 4. Convergence
What are tears composed of?
Water Mucus Lysozyme
Name the 5 orbital bones:
1. Frontal 2. Zygomatic 3. Ethmoid 4. Sphenoid 5. Lacrimal
What is a keratoplasty?
Corneal transplant
When is a patient an appropriate candidate for cataract surgery?
When palliative measures no longer provide acceptable level of visual function
What is entropion?
The inward turning of the eyelid margin
What are normal results of a Schirmer's test?
5 to 10mm of wet paper (after 5 minutes)
Keratitis can be triggered by which 3 factors?
Stress Illness Ultraviolet light
What is hyperopia?
The condition of farsightedness