Dry Eyes Flashcards
(45 cards)
Is photophobia always from uveitis
No, any ocualr surface problems can cause this
What is considered chronic
3m
Common ocular findings with SLE
Dry eyes
Disc edema
MOA of plaquenil
Decrease PAL-2, increase heme
Things that can cause chronic bilateral red eyes
Chlamydia
DED
Rosacea
Tests for aqueous deficient dry eye
Schirmer
Tests for evaporative DED
MG description
Meibomagraphy
What are the main categories of DED
Aq deficient
Evaporative
What are the types of aq deficient dry eye
Sjogrens
NonSjogrens
Sjogrens aq deficient DED
Primary (without AI)
Secondary (with triad, AI)
Primary non Sjogrens AQ def dry eye
Age atrophy of ducts
Secondary non Sjogrens dry eye
Attacked ducts (sarcoidosis) Blocked ducts (trachoma, pemphigoid) Cut signal (LASIK)
Intrinsic evaporative dry eye
MGD
Extrinsic evaporative dry eye
CL (friction)
Vit A deficiency
Nonspecific dry eye tests
tear lab and TBUT
Drugs that cause dry eye
Cholinergic antagonists
- STOPACH
- antidepressants
- antipsychotics
- antihistamines (1st gen)
Dry eye definition
Multifactorial disease of the tears and ocular surface that results in symptoms of discomfort, visual disturbances, and tear film instability with potential damage to the ocular surface
Vitamin A and DED
Vit A essential for goblet cells and glycocalyx development. Deficiency can cause aq def DED as as result of lacrimal gland acinar damage as well. It is associated with bitots spots on the conjunctiva
Appx ___% of CL wearers have dry eye symptoms
50%
Tear lab readings indicating dry eye
> 308 or >8 differnece
What is the height of tear meniscus indicative of DED
0.3mm
Schirmer 1
Without anesthetic
Measures basal and aq
Abnormal is <5mm wetting in 5m
Schirmer 2
With anesthetic
Basal only
<5mm in 5m
PRT findings and DED
<10mm in 15s