Systemic Eye Diseases: Back Half of the Eye Flashcards
What is a systemic disease?
Systemic means affecting the entire body, rather than a single organ or body part
What does Hereditary
Macular Degeneration - Stargardt’s disease cause/ look like in OCT? 2
-Loss of central vision
-macula may show pigment clumping
What does hypertension cause? 4
-Subconjunctival hemorrhage can occur in older
adults.
-early microvascular damage and
retinal vascular changes.
-retinal vein occlusion
-AMD
What can severe hypertension cause in the retina? 4
-retinopathy with flame-shaped hemorrhages
-exudates
-cotton-wool spots,
-marked narrowing of
the retinal arterioles
How does Grave’s Disease affect the eyes appearance ? 3
-Lid lag
-Lid retraction
-Exophthalmos/ protrusion of the eye
An exophthalmometer is used to measure how much the eye protrudes? T/F
TRUE
What causes the eye to protrude during graves disease?
caused by an increase in the bulk of ocular
muscles and orbital fat swelling
What issues can the eye get from graves disease? 3
-Exposure keratitis
-Motility disturbance
-Disc edema
What is a malignant melanoma? 2
-rare
-most common instracoluar malignant neoplasm (can spread/invade other issues)
Who is more likely to have sickle cell disease and hemoglobinopathies? 2
African and Mediterranean
ancestry.
Sickle cell diseas is heriditary? T/F
True
What does sickle cell disease produce in the eye?
-Produces sludging of blood in peripheral eye vessels
What is a coloboma? 2
-Congenital cleft due to the failure of the eye to complete
growth in the part affected.
-absence of some portion of the iris
What part of the eye does uveitis affect? 5
-retina,
-retinal vessels,
-optic nerve head,
-sclera,
-cornea
-iris
What 3 areas can uveitis be sectioned in and what parts of the eye does it affect?
anterior chamber,iris (anterior
uveitis)
-vitreous cavity, ciliary body (intermediate
uveitis)
-retina and choroid (posterior
uveitis)
