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Sensory Disorders - Leaderboard
Sensory Disorders - Details
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Which supplements have been shown to improve the progression of advanced ARMD? | Vitamin C, E, beta-carotene, and zinc |
What might the IOP be in a patient with closed-angle glaucoma? | 50 mm Hg or higher |
What is the IOP in a patient with open-angle glaucoma? | Between 22- 32 mm Hg |
What is the normal range of IOP? | 10 -22 mm Hg |
What will the pupils look like in a patient with closed-angle glaucoma? | Enlarged and fixed |
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 |
How often should patients over 65 receive an eye exam? | Every 1-2 years |
What is the hallmark of age-related macular degeneration? | Drusen in the fundus |
What is the main symptom of macular degeneration? | Gradual and variable loss of central vision |
What are the 2 types of macular degeneration? | Wet type Dry type |
What is used to destroy blood vessels, seal leaking vessels, and help prevent retinal edema? | Photocoagulation |
How is a patient positioned post keratoplasty? | On back or non operative side |
What is the third most common chronic condition in people over 65? | Loss of hearing (deafness) |
During a Weber test, the sound is louder in which ear? | The affected ear |
The cochlea contains which organ? | Organ of Corti (organ of hearing) |
Where can an infection of the middle ear spread if left untreated? | The mastoid process |
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 |
Capillary microaneurysms, hemorrhage, exudates, and the formation of new vessels are characterizations of ________ ________. | Diabetic retinopathy |
Corneas of people with which conditions are not appropriate for transplantation? | AIDS Cancer Hepatitis |
Surgical removal of the eyeball is called: | Enucleation |
What are miotics? | Agents that cause the pupil to constrict |
What is the most common cause of corneal injuries? | Foreign bodies |
The incidence of glaucoma is increased in which population? | African-American |
Which part of the eye receives images and transmits impulses through the optic nerve to the brain? | Retina |
Which study uses a cone-shaped device to depress the eyeball and assess for internal pressure? | Goldmann tonometry |
What does puffing air onto the surface of the open eye measure? | Intraocular pressure |
What are the 4 basic processes necessary to form an image? | 1. Refraction 2. Accommodation 3. Constriction 4. Convergence |
How does vitreous humor differ from aqueous humor? | It is not replaced continuously |
What helps maintain the eye's shape, keeps retina attached to the choroid, and refracts light? | Aqueous humor |
Which reflex protects the retina from intense light and permits clearer, acute near vision? | Pupillary constriction |
The cornea is innervated by which cranial nerve? | Cranial nerve V (Trigeminal) |
The outer most layer of the eye is composed of the _____ and ______. | Sclera and cornea |
What gives shape to the eye? | The sclera |
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) |
What is the definitive test for dry eye? | Schirmer's test |
Keratitis can be triggered by which 3 factors? | Stress Illness Ultraviolet light |
What is the primary sensory system of the human body? | The visual system |
What is the most common symptom of keratitis? | Severe eye pain |
What is hyperopia? | The condition of farsightedness |
What is the primary resource for services for the blind patient? | The local government |