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Common Eye Problems
Exam 1 Mat.
32
Medical
Graduate
01/11/2011

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Cards

Term
Wet age related macular degeneration is a sudden or gradual pathologic process?
Definition
sudden
Term
What is the most common cause of blindness among working people in developed countries?
Definition
diabetes
Term
What is the prevalence of DR in the diabetic population?
Definition
30%
Term
At what stage do we see neovascularization in the retina during DR?
Definition
Proliferative stage
Term
At what stage of DR does the eye start to get ischemic?
Definition
pre-proliferative
Term
Vascular tortuosity and cotton-wool spots are found during what stage of DR?
Definition
Pre-proliferative stage
Term
What is tractional retinal detachment?
Definition
occurs when fibrous or fibrovascular tissue, caused by an injury, inflammation or neovascularization, pulls the sensory retina from the retinal pigment epithelium.
Term
What is end-stage diabetic eye disease known as?
Definition
phthisis bulbi
Term
After what age should we start having annual eye exams?
Definition
40
Term
What is the most common type of cataracts in diabetics?
Definition
posterior subcortical
Term
When is the earliest that glaucoma in a patient is usually detected?
Definition
unfortunately not very soon/ until 90% loss of VF or very high IOP leading to pain
Term
What is the age group in which you commonly find Giant Cell arteritis?
Definition
65-80
Term
Transient mononuclear visual loss in GCA (when everything goes black) is also known as what?
Definition
amaurosis fugax
Term
When do we do a biopsy of the temporal artery for patients with suspected GCA?
Definition
Within a week of starting steroid therapy
Term
Since skip lesions in GCA mean a particular segment of the temporal artery may not have giant cells, what else do we look for to confirm it's GCA?
Definition
disruption of the internal elastic lamina
Term
What is the gender breakdown of thyroid-related eye disease cases?
Definition
F:M is 8:1
Term
Characterize the pathology of Thyroid Eye Disease?
Definition
activated T cells infiltrate orbital contents, producing infiltrates that cause fibroblastic changes--> lead to enlargement of EOM and deposition of fat and connective tissue in the orbit
Term
What do the fibroblasts produce that cause EOM enlargment?
Definition
glycosylaminoglycans (GAG's)
Term
In the quiescent stage of Thyroid Eye Disease, what is the appearance of the eye?
Definition
It is white (normal-looking), but it is abnormally tethered and does not move properly
Term
What are the five main clinical manifestations of thyroid eye disease?
Definition

SPOFE

 

Soft tissue involvement

Proptosis

Optic neuropathy

Fibrosed muscles

Eyelid Retraction

Term
When we refer to soft tissue involvement in Thyroid eye disease, what are some examples?
Definition
lacrimation (watery eyes), photophobia, and chemosis (edema of the conjunctiva)
Term
When do we do surgery to fix eyelid retraction in Thyroid eye disease patient?
Definition
when both the eyelid retraction and thyroid are stable
Term
What is the most common cause of unilateral and bilateral of proptosis in adults?
Definition
Thyroid Eye Disease
Term
What is the potential sequelae of failing to deal with retracted eyelid?
Definition
severe exposure keratopathy and corneal ulceration
Term
What percentage of eye patients have optic neuropathy?
Definition
5%
Term
What are two early signs of optic neuropathy?
Definition
visual field defects (scotomas) and loss of colour vision
Term
What is the most common eye movement defect in TED patients?
Definition
defect in elevation due to fibrosis of inferior rectus tethering eye
Term
What percentage of TED patients develop eye movement problems?
Definition
30% to 50%
Term
Is retinal vein occlusion painful or painless, and what are the two signs?
Definition
painless/ VF loss and loss of vision
Term
What is the most common thing you see in a patient with central retinal artery occlusion?
Definition
cherry red spot
Term
What is the most common untreatable cause of visual loss in the elderly?
Definition
macular degeneration
Term
What is the most common type of macular degeneration, and what feature is very indicative of that type?
Definition
Dry type/ look for drusens
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