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Dry Eye Causes
aging process, anticholinergic medications, allergens or environmental factors (dry working conditions, air conditioning systems)
Medications that can cause dry eye
antihistamines, antidepressants, diuretics, beta blockers
Presentation of dry eye
mildly red sclera of eye, sandy/gritty feeling, dry feeling
Goals of treatment for dry eye
alleviate dryness and irritation, prevent ocular tissue damage
non-medicated ointments for dry eye
longer lubrication effect, more sticky, may advise to apply at night for morning dry eye relief
Common ingredients in non-medicated ointments for dry eye
white petroleum, mineral oil, lanolin
Artificial Tears
lubricates the eye to provide moisture
Common ingredients in Artificial Tears
carboxymethylcellulose (Refresh Tears, Thera Tears), polyethylene glycol (Systane), propylene glycol, glycerin
Dosing for Artificial Tears
product dependent, check back of box
Non-Pharmacologic strategies to relieve dry eye
avoid irritants, warm compresses, maintain good eye hygiene, avoid dusty or dry environments, avoid elongated screen usage
Common Causes of Allergic Conjunctivitis
Environmental antigens (pollen, animal dander, topical products such as cosmetics or OTCs)
Presentation of allergic conjunctivitis
red eyes with watery discharge, pruritus (itching), excessive tearing (blurred vision)
Goals of treatment for allergic conjunctivitis
reduce severity of allergic reaction, provide symptom relief, protect ocular surface
Pharmacologic treatment for allergic conjunctivitis
artificial tears, decongestants, alpha agonist, antihistamines
Use of Artificial Tears for allergic conjunctivitis
washout allergens
Use of Decongestant in allergic conjunctivitis
reduces eye redness
common ingredients in a decongestant
naphazoline, tetrahydrozoline, oxymetazoline
MOA of decongestant
reduces redness by causing vasoconstriction of vessels in eye
Risks of decongestants
risk of rebound redness after initial symptom improvement, may cause stinging or burning during administration
Avoid use of decongestants for patients with:
acute angle glaucoma, vascular comorbidities (hypertension, diabetes, cardiovascular disease)
Alpha agonist (brimonidine) use for allergic conjunctivitis
reduces eye redness
MOA of brimonidine
reduces redness by causing vasoconstriction of vessels in eye
Notes for brimonidine
does NOT cause rebound redness, safe for occasional use, NOT safe for daily use
Use of Antihistamines for allergic conjunctivitis
provides itch relief
Common ingredients for antihistamines
ketotifen fumarate, pheniramine
Duration of Action for antihistamines
relief within a few minutes, lasts up to 12 hours
Which two medications for allergic conjunctivitis are combined for relief in these products: Naphcan A, Opcon-A Eye Allergy Relief, and Visine-A Multi
antihistamines and decongestants
Example of ophthalmic antihistamine
Zaditor (ketotifen)
When should you refer a patient to a provider in regards to allergic conjunctivitis?
If symptoms do not resolve in 72 hours
Causes of Minor Eye Irritation
wind, sun/UV light, loose foreign material, chemical fumes
Presentation of minor eye irritation
pain and redness of the eye, feeling of “sand in the eye”
Pharmacologic Treatments for minor eye irritation
artificial tears, non-medicated ointments, mild-astringent drops
Mild-astringent drops active ingredient
zinc sulfate
Preservative containing products
may be used multiple times from the same bottle
preservative free products
must discard container directly after each use
How long does a bottle last after the seal is broken?
30 days; expiration date is voided
When to refer patients:
severe irritations or if symptoms will not resolve; green/yellow discharge
Dosing:
check each product label
Age-Related Macular Degeneration
over time, parts of the eye deteriorate, resulting in loss of the central field of vision (blurriness)
Common ingredients in eye vitamins
Vitamins A, C, and E, zinc, copper, lutein, omega-3 fatty acids, zeaxanthin
Treatment for age-related macular degeneration
Ocuvite Adult 50+ Age-Adjusted Formula and PreserVision Eye Vitamin Formula
Ocuvite Adult 50+ Age-Adjusted Formula Directions
1 soft gel by mouth every morning with food
Ocuvite Adult 50+ Age-Adjusted Formula side effects
upset stomach
PreserVision Eye Vitamin Formula Directions
2 soft gels daily; one in the morning and one in the evening with food
PreserVision Eye Vitamin Formula side effects
upset stomach
AREDS-1
contains beta-carotine
risk for AREDS-1
can increase risk of lung cancer in patients who smoke; up to 15 mg beta-carotene daily in non-smokers
AREDS-2
does NOT contain beta-carotene
Review Directions for:
eye drop and eye ointment administration
Soft contact lens
contains water, most common lens of choice, mass produced, flexible, replaced daily, weekly, or monthly
How to reduce infections or inflammation with soft lens:
replace frequently
Rigid contact lens
custom fit, uncomfortable at first, replace after several years
Lens Care
use container, follow directions provided with solutions, let contact lens set in solution for at least 6 hours
Most common used multi-purpose solutions for lenses
Biotrue, Renu, Opti-Free, Clear Care
How to clean lens:
rub in a back-and-forth pattern, inspect for chips, tears, or foreign bodies