Ocular Lubricants Flashcards
82% of dry eye pts wished there was
There was something more than ATs to treat their dry eyes
Common visual complaints in dry eye
Fluctuating vision w blinking
Glare
Blurred vision
Eye fatigue
Dry eye, caused by unstable tear film can result in
Reduced vision, inflammation and discomfort
Factors that can disrupt homeostatic control and destabilize the tear film
Rosacea
MGD
Accurate (can kill MG)
CLs
Certain conditions can cause an inflammation driven dry eye
Sjorgrens
RA, Lupus
Fibromyalgia
Inflammation effect on MG
In the resolution phase, fibroblasts come in and re- keratinize the glands stopping the oil from coming out
Conj and cornea wont be as healthy in dry eye because
Inflammation causes apoptosis
CL intolerance is a big clue for
Dry eye
Can be resolved by using peroxide based systems to get rid of build up
It’s common for dry eye pt’s to also complain of
Dry skin
Paying attention might be essential for the early detection and relief of ocular or skin dryness
Brimonidine
Used as a cream to help rosacea
Although dry eye is a heterogenous disorder of the ocular surface, the common denominator is
Inflammation
Difference between time when pt with irritated eye symptoms are worse
End of the day - dry eye
Morning- bleph
Almost exclusive for bleph, free fatty acids and soaps released after bacterial lipases break down the MG secretions
Burning eyes
What kind of pain seen in dry eye
Neuropathic pain, dry eye is constantly irritating the tear film and cornea causing damaged nerves
Dry eye symptomsare due to over reacting nerves
Dry eye questionnaires are helpful because
They can document improvement that they usually don’t notice
First line of defense of the tear film
Lipid layer
Protects the tear film, against desiccation and protects corneal noniceptors
Why is blinking important?
It’s how the glans releases it’s oil