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OphthoMedSurgFinalReview
OphthoMedSurgFinalReview
59
Other
Graduate
12/13/2009

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Cards

Term
Describe Hyperopia.
Definition
Farsighted - Eye is short so rays focus behind the retina.
Term
Describe Myopia.
Definition
Nearsighted - Eye is long so rays focus in front of the retina.
Term
What is the most common cause of acute angle glaucoma?
Definition
Pupillary block
Term
What condition is characterized by a hazy cornea with halos in vision?
Definition
Acute angle glaucoma
Term
What classes are drugs can be used to treat acute angle glaucoma?
Definition
Alpha agonists, Beta blockers, Carbonic anhydrase inhibitors, Prostaglandin analogs and parasympathomimetics.
Term
Which condition is the most common cause of acute vision reduction and is associated with painful rapid vision loss with color loss being more severe than acuity?
Definition
Optic neuritis
Term
What condition is characterized by sudden, profound, painless unilateral vision loss and has a cherry red spot on the macula?
Definition
CRAO
Term
Which condition has painless, rapid, monocular vision loss and appears on fundoscopy as blood and thunder fundus with cotton wool spots in all 4 quadrants?
Definition
CRVO
Term
What is CRVO called in younger patients?
Definition
Papillophlebitis
Term
What condition is characterized by sudden, unilateral painless, visual field defects and has tortuous retina veins and cotton wool spots on fundoscopy?
Definition
BRVO
Term
What condition results in sudden, unilateral, painless, partial loss of vision, w/visual field defects?
Definition
BRAO
Term
Which condition is associated with Acute vision loss, Dyschromatopsia, Headache, fever, malaise, scalp tenderness, weight loss, jaw claudication, amaurosis fugax, diplopia, PMRheum(joint pains), and eye pain?
Definition
Giant Cell (Temporal) Arteritis
Term
What condition is described by: acute onset of photopsias, floaters, “shade” “cob web”, shadow or curtain across the visual field, decreased vision, may be asymptomatic, Signs: clear subretinal fluid that doesn’t move with body position, “tobacco-dust”pigment cells in the vitreous, vitreous hemorrhage
Definition
Retinal Detachment
Term
What is the major difference to determining a serous/exudative retinal detachment from a normal one?
Definition
The fluid will move with changes in head position with a serous/exudative RD.
Term
What condition is characterized by Temporary loss of vision in one eye/both eyes due to a block of blood flow to the retina, Seconds to minutes, usually reversible, “shade” or “curtain” coming down
Definition
Amaurosis Fugax
Term
What condition is characterized by Destruction of corneal tissue(epithelium/stroma) by inflammation from infection?
Definition
Corneal ulcer AKA Infectious Keratitis
Term
What condition is common secondary to a URI or sinusitis and leads to symptoms of periorbital swelling, reduced ocular motility and proptosis?
Definition
Orbital cellulitis
Term
Which condition is characterized by severe pain and foreign body sensation in the eye and has a history of mild trauma to the eye?
Definition
Corneal abrasion
Term
What is the treatment regimen for corneal abrasions and corneal foreign bodies?
Definition
Polymyxin B/trimethoprim
Term
What is the treatment regimen for an Intraocular FB?
Definition
Protective shield and Vancomycin to cover Pseudomonas possibility
Term
What condition is commonly seen in those with a History of welding or sunbathing and is seen as a dense punctate of the cornea on staining?
Definition
UV Keratitis
Term
What condition is characterized by blood collection in the anterior chamber and is an indicator of severity of trauma to the iris or ciliary body?
Definition
Hyphema
Term
How is a Hyphema treated?
Definition
Ophthalmologic consultation is mandatory and the eye is shielded and given cycloplegic agents twice a day.
Term
Describe a direct and indirect orbital blow out fracture.
Definition
Direct = The orbital rim is involved and the swelling extends posteriorly.
Indirect = Compression of the soft tissue of the orbit and the orbital rim is not involved.
Term
Describe the common signs and symptoms of a blow out fracture.
Definition
Enopthalmos, numbness of the upper lip/cheek and restricted EOMs.
Term
Which condition is seen with a Dendritic “tree branching” w/stain?
Definition
Herpes simplex keratitis
Term
Which condition is characterized by a zoster rash on the forehead?
Definition
Herpes zoster ophthalmicus
Term
What condition is characterized by a severe, destructive, vision threatening condition that involves the deep episclera and sclera?
Definition
Scleritis
Term
What is a positive Seidel's sign and what is it indicative of?
Definition
bright stream of fluorescein as aqueous leaks from the wound, seen with a corneal laceration/perforation
Term
Should you pressure patch a lacerated or perforated eye?
Definition
No
Term
What is a common, benign orbital tumor in children that Appears as strawberry nevus if located in more external orbit or as a blue eyelid mass if deeper in orbit and is characterized by swelling and lid proptosis?
Definition
Capillary hemangioma
Term
What condition is a common, benign, painless, palpable, flesh colored mass that is composed of connective tissue and presents in or near the eye in early childhood and may slowly enlarge?
Definition
Dermoid
Term
What is the most common primary pediatric orbital malignancy?
Definition
Rhabdomyosarcoma
Term
What condition is characterized by a very rapid onset of non-traumatic unilateral proptosis in kids under 15 with lid edema and possible lid discoloration?
Definition
Rhabdomyosarcoma
Term
What is the Most common intraocular malignancy in children?
Definition
Retinoblastoma
Term
What condition is characterized by a tumor of the sensory retina that is usually diagnosed by age 5 and has symptoms of strabismus, decreased vision and an unusual light reflex in photos?
Definition
Retinoblastoma
Term
What is the most common primary intraocular tumor in adults?
Definition
Melanoma
Term
MCC of cataracts?
Definition
Age related
Term
Describe the three types of cataracts (Nuclear, Posterior subscapular and Cortical).
Definition
Nuclear = yellow/brown discoloration of the central part of the cataract.
Posterior subscapular = Opacities are near the posterior aspect of the lens.
Cortical = Spokelike opacities.
Term
What is the difference between a lens subluxation and dislocation?
Definition
Sublux = partial disruption of the zonular fibers.
Dislocation = complete disruption of the zonular fibers.
Term
What condition is characterized by quivering of the iris and lens?
Definition
Lens dislocation
Term
What condition is characterized by painless loss of vision, sudden appearance of black spots, flashing lights, floaters and absent red reflex?
Definition
Vitreous Detachment
Term
Leading cause of blindness in the western world?
Definition
Diabetes
Term
Describe each of the Diabetic manifestations of vision loss on fundoscopy (Proliferative Diabetic Retinopathy and Diabetic Macular Edema)
Definition
Proliferative diabetic retinopathy = neovascularization, cotton wool spots and dot-blot hemorrhages.
Diabetic Macular Edema = Microaneurysms, dot-blot hemorrhages and exudates.
Term
Describe how Hypertensive Retinopathy appears on fundoscopy.
Definition
Diffuse arteriolar narrowing (copper-wire vessels), silver-wiring, AV nicking, cotton wool spots, microaneurysms and lipid exudates.
Term
What is the most common severe infection involving the eye and is commonly seen with HIV/AIDS patients?
Definition
Cytomegalovirus Retinitis (CMV retinitis)
Term
What is papilledema?
Definition
Bilateral optic disc swelling
Term
What condition is characterized by unilateral swollen optic disc, flame-shaped hemorrhages, optic disc pallor and sudden painless vision loss?
Definition
Ischemic Optic Neuropathy
Term
Briefly describe Argyll Robertson pupil.
Definition
A small pupil that responds slowly or not at all to light but accommodation and convergence is retained.
Term
Briefly describe Adie's tonic pupil.
Definition
Dilated pupil that reacts poorly to light and normal to accommodation.
Term
Briefly describe Marcus Gunn pupil.
Definition
Light shone in the affected eye makes it dilate instead of constrict.
Term
What is the most common type of eye turn, occurs in 1-2% of teh population?
Definition
Esotropia (inward turning of the eye0
Term
What is amblyopia?
Definition
Reduced vision that is not correctable with lenses (AKA "lazy eye").
Term
What is Coat's disease?
Definition
AKA Exudative Retinitis is characterized by the development of leaky retinal vessels that deposit exudates on the retina that usually occurs in the first decade of life.
Term
How is Scleritis treated?
Definition
Corticosteroids
Term
Is a congenital cataract considered an emergency?
Definition
Yes
Term
What is the etiology of flashes?
Definition
Suggests traction of the vitreous on the retina. Results due to posterior vitreous detachment or vitreous pull on a retinal tear.
Term
Define Hemianopia.
Definition
Loss of half the visual field.
Term
Define Homonymous hemianopia.
Definition
Visual field loss on the same side in both eyes.
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