Term
| polymer vehicles +preservatives+inorganic electrolytes |
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Definition
lubricants
artificial tears |
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Term
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Definition
lubricants
drops, artificial tears
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Term
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Definition
lubricants
drops, artificial tears
high viscosity
low irritation
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Term
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Definition
lubricants
drops, artificial tears
hydrophilic layer on the corneal surface
low viscosity, use in combination products
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Term
| white petrolatum + mineral oil + lanolin |
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Definition
lubricants
ointments
blurred vision
combination therapy |
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Term
benzalkonium chloride (BAK) and
benzethonum chloride
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Definition
eye preservatives
excellent antimicrobial activity, stability and long shelf life
toxic if overuse |
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Term
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Definition
eye preservatives
does not bind to contact lens
less toxic than BAK
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Term
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Definition
eye preservatives
used at lower concentration than BAK
non-toxic
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Term
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Definition
eye preservatives
rarely used b/c of hypersensitivity rxn
-blepharitis, conjunctivitis
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Term
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Definition
opthalmic
disappearing preservatives
antimicrobial+toxicity
dissociates on contact w/ the eye forming a small amount of hydrogen peroxide(no eye irritation) |
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Term
| purite (oxychloro complex) |
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Definition
opthalmic
disappearing preservatives
dissociates w/ eye contact
breaks down with UV light
water+ NaCl
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Term
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Definition
opthalmic decongestant
constricts conjunctival vessels,
reduces tearing and pain
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Term
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Definition
opthalmic decongestant
satisfactory results seen
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Term
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Definition
opthalmic decongestant
relieves itching, burning, tearing,
or foreign body sensation
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Term
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Definition
opthalmic decongestant
low concentration OTC
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Term
| caution of opthalmic decongestants? |
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Definition
could cause dry eyes
caution in HTN,CAD, DM, cardiac diseases
b/c its a vasoconstrictor |
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Term
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Definition
opthalmic antihistamine
mast cell stabilizer and H1-receptor antagonist
inhibits eosinophils
relief in minutes up to 12 hrs
basal constructive activity
safest |
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Term
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Definition
opthalmic antihistamine
FDA, "less effective antihistamine"
available with decongestants
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Term
| common side effect of opthalmic antihistamine? |
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Definition
| burning, stinging, discomfort |
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Term
| 2%, 5% sodium chloride drops |
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Definition
opthalmic hyperosmotic
increases tonicity of tear film, draws water out of cornea |
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Term
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Definition
opthalmic hyperosmotic
for less frequent instillation than solution
for bedtime
burns, stings
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Term
| swelling, scaling, redness of eyelid, perfuse itching |
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Definition
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Term
inflammatory condition that causes debris along eyelids.
red, scaly, thickened eyelids, loss of lashes, mild foreign body sensation, crusting upon waking |
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Definition
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