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Ophthalmic Drugs
pharm
82
Nursing
Beginner
05/13/2016

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Term
Glaucoma
Definition
a group of eye disorders that damage the optic nerve
Term
Angle-closure glaucoma
Definition

Glaucoma that occurs as a result of a narrowed anatomic angle between the lens and cornea

Also called: closed-angled glaucoma, narrow-angled glaucoma, and pupillary glaucoma

Term
Cholinergic Drugs are
Definition
Miotic
Term
Sympathomimetic Drugs are
Definition
Mydriatics
Term
Acetylcholine Indications
Definition
For complete and rapid miosis after cataract lens extraction, iridectomy
Term
Carbachol Indication
Definition
Open-angled glaucoma
Term
Echothiophate Indication
Definition

(Cholinergic)

Accommodative esotropia, obstructive aqueous humor outflow, open-angled glaucoma after iridectomy

Term
Pilocarpine Indication
Definition

(Cholinergic)

Open-angled glaucoma

Secondary glaucoma after iridectomy

reversal of cycloplegia

Term
Contraindication of Cholinergic Drugs
Definition

Serious active eye disorder

Acetylcholine, Carbachol, echothiophate, Pilocarpine

Term
Acetylcholine
Definition

Direct-acting cholinergic

Produce miosis during ophthalmic surgery

very quick onset

Term
Acetylcholine Administered
Definition
directly into the anterior chamber of the eye before and after securing one or more sutures
Term
Pilocarpine
Definition

direct-acting cholinergic

treatment of glaucoma

Pilocarpine ocular insert system (Ocusert Pilo-20), which is applied once weekly by the patient

Term
Echothiophate
Definition

Indirect cholinergic

Cholinesterase inhibitor

Effect is normally irreversible until new enzymes are synthesized by the body

Can take days to weeks, for this reason it is consider long-acting

Term

Epinephrine and Dipivefrin

Indication

Definition

reduce elevated intraocular pressure in the treatment of

Chronic open-angled glaucoma short or long term

Term

Apraclonidine

Indication

Definition

(alpha2 and beta2)

corrects surgery-induced elevation in intraocular pressure

Term

Brimonidine

Indication

Definition

(alpha2)

Used to lower intraocular pressure in patients with open-angled glaucoma or ocular hypertension

Term

Sympathomimetic Drugs

Interactions

Definition

Cause cardiac dysrhythmias when given with

halogenated anesthetics, cardiac glycosides, thyroid hormones, or tricyclic antidepressants

Term
Dipivefrin
Definition

(Prodrug of Epinephrine)

It has enhanced lipophilicity (fat soluble) and can better penetrate into the tissue of the anterior chamber of the eye.

4 to 11 time more potent than Epinephrine in reducing pressure

5 to 12 more potent in terms of mydriatic effect

Term
Beta-Adrenergic Drugs
Definition

Reduce intraocular pressure by reducing aqueous humor formation.

Timolol may produce a minimal increase in aqueous outflow

Term
Sympathomimetic MOA
Definition
reduces intraocular pressure by enhancing aqueous humor outflow through the canal of Schlemn
Term

Beta-Adrenergic blocker

Indication

Definition

chronic open-angled glaucoma

ocular hypertension

Term

Beta-Adrenergic blocker

Adverse Effects

Definition

Limited to site of action

photophobia, lacrimation, blepharitis, ect

Term
Betaxolol
Definition

beta1 selective

Term
Timolol
Definition

non-selective beta blocker

May increase outflow of aqueous humor as well as decrease its formation

Come in gel-form for long-acting once a day dosing

Term

Carbonic Anhydrase Inhibitors

MOA

Definition

Inhibits the enzyme carbonic anhydrase

Which results in decreased intraocular pressure by reducing aqueous humor formation

Dorzolamide

Term

Carbonic Anhydrase Inhibitor

Indication

Definition

open and closed-angled glaucoma

preoperatively to control intraocular pressure

Dorzolamide

Term

Carbonic Anhydrase Inhibitor

Contraindications

Definition

Sulfa Allergies

Dorzolamide

Term

Carbonic Anhydrase Inhibitor

Adverse Effects

Definition
Can be absorbed systemically
Term
Dorzolamide
Definition

Carbonic Anhydrase Inhibitor

Treat ocular hypertension or open-angled glaucoma

Term

Osmotic Diuretics

MOA

Definition

reduce ocular hypertension by causing the blood to become hypertonic in relation to both intraocular and spinal fluid, which draws water from the aqueous and vitreous humors into the bloodstream, which causes a reduction in the volume of intraocular fluids

Glycerin, Mannitol, Urea, and Isosorbide

Term

Osmotic Diuretics

Indication

Definition

Acute glaucoma episodes

reduce intraocular pressure before or after ocular surgery

Glycerin is used first, and if unsuccessful, use Mannitol

Isosorbide and Urea used if both unsuccessful

Term

Osmotic Diuretics

Contraindication

Definition

Pronounced anuria, acute pulmonary edema, cardiac decompensation, and severe dysrhythmia

glycerin, mannitol, urea, isosorbide

Term

Osmotic Diuretics

Adverse Effects

Definition

Nausea, vomiting, headache, and fluid and electrolyte imbalance

Mannitol and Urea can increase Lithium excretion

Glycerin, mannitol, urea, isosorbide

Term
Glycerin
Definition

Osmotic Diuretic

Reserved for Acute reduction of intraocular pressure during glaucoma crisis

Term
Mannitol
Definition

Osmotic Diuretic

Intravenous Infusion; reduce intraocular pressure when the pressure cannot be lowered by other methods

Does not penetrate the eye, like urea

Term

Prostaglandin Agonist

MOA

Definition

Reduce intraocular pressure by increasing the outflow of aqueous humor between the uvea and sclera as well as via the usual exit through the trabecular meshwork

Latanoprost, Travoprost, and Bimatoprost

Term

Prostaglandin Agonist

Suffix

Definition

-prost

Latanoprost, Travoprost, and Bimatoprost

Term

Prostaglandin Agonist

Indication

Definition

treat glaucoma

Latanoprost, Travoprost, and Bimatoprost

Term

Prostaglandin Agonist

dosing

Definition

Single dose lowers intraocular pressure for 20 to 24 hours, which allows for single daily dosing

Latanoprost, Travoprost, and Bimatoprost

Term

Prostaglandin Agonist

Adverse Effects

Definition

People with hazel, green, or bluish-brown eye color will turn permanently brown, even if the medication is discontinued

Latanoprost, Travoprost, and Bimatoprost

Term

Prostaglandin Agonist

Interaction

Definition

Eye drops containing Thimerosal may result in precipitation

Administer at least 5 minutes apart

Latanoprost, Travoprost, and Bimatoprost

Term
Latanoprost
Definition

When administered it is converted to prostaglandin F2-alpha by the water from the ocular fluids

Increases iris pigmentation after 3 to 4 1/2 months of treatment in 3% to 10% of patients

Term

Aminoglycosides

Definition

Gentamicin

Treat resistant staphylococci and streptococci

Adverse Effects: swollen eyelids, mydriasis, and local erythema

Also tobramycin

Term
Macrolide Antibiotics
Definition

Erythromycin

Treat neonatal conjunctivitis and prevent eye infection in newborns

Term
Polypeptide Antibiotics
Definition

Bacitracin


Treat superficial infections caused by gram-positive bacteria

Polymyxin B also used

Term
Quinolone Antibiotics
Definition

Ciprofloxacin

A/E appearance of white, crystalline precipitates occurring within any corneal lesion

Happens within 1 to 7 days

Therapy is not discontinued

Others used: gatifloxacin, Moxifloxacin, levofloxacin, and ofloxacin

Term

Quinolone

Suffix

Definition
-floxacin
Term
Sulfonamides
Definition

Sulfacetamide

Treat conjunctivitis

Term
Antifungal Drug
Definition

Natamycin

Treats Blepharitis, conjunctivitis, and keratitis caused by Candida and Aspergillus

Term
Antiviral Drugs
Definition

Trifluridine

Treats keratitis and keratoconjunctivitis caused by type 1 and 2 herpes simplex virus


Inhibits viral replication by blocking synthesis of DNA

Term
What should the nurse expect to use to treat neonatal conjunctivitis?
Definition
Erythromycin
Term
What is a common adverse effect of Ciprofloxacin and what should you do?
Definition

Appearance of white, crystalline precipitates occurring within any corneal lesion

Continue therapy

Another is cornea staining

Term

A patient has keratoconjunctivitis that was caused by type 2 herpes simplex virus. What drug will the nurse expect to administer?

Definition
Trifluridine
Term

Anti-inflammatory Drugs

Indication

Definition

NSAID or Corticosteroid

Treat corneal, conjunctival, and scleral penetration of foreign bodies. Inflammatory disorders or surgery related pain

Prevent fibrosis and scarring

NSAIDS are for initial topical therapy

Dexamethasone, Flurbiprofen, and Ketorolac

Term

Anti-inflammatory Drugs

Contraindication

Definition

Not used for minor abrasions or wounds because they suppress the immune system

Dexamethasone, Flurbiprofen, and Ketorolac

Term

Anti-inflammatory Drugs

Adverse effects

Definition

Extended use of Corticoids may result in cataracts, increased intraocular pressure, and optic nerve damage

Dexamethasone, Flurbiprofen, and Ketorolac

Term
Dexamethasone
Definition

Corticosteroid

treatment of inflammation of the eye, eyelids, conjunctiva, and cornea

treatment of uveitis, iridocyclitis, allergic conditions, and burns and in the removal of foreign bodies

Term
Flurbiprofen
Definition

NSAID

Treat inflammatory ophthalmic conditions

Postoperative inflammation after a cataract extraction

Term
Ketorolac
Definition

NSAID

Oral or injectable for systemic use

reducing ocular inflammation

This drug will delay eye wound healing and lead to corneal epithelial breakdown

Term
Tetracaine and Proparacaine
Definition

Topical Anesthetics

Eye drops to numb the eye for various short ophthalmic procedures

works in 25 seconds and lasts 15 to 20 minutes

Apply as needed

Term

Atropine Sulfate

(Cycloplegic Mydriatic)

Definition

Causes Mydriasis

Paralyzes the ciliary muscle and prevents accommodation

Treats uveal tract inflammatory states

1 to 2 drops or 0.3 to 0.5 cm of ointment, 2 to 3 times a day

Term

Cyclopentolate

(Cycloplegic Mydriatic)

Definition

Used for diagnostic purposes only and not treatment of inflammatory states

dosage is 1 to 2 drops and repeated in 5 to 10 minutes if needed

subsides within 24 hours

Term
What would you use to numb the eye during mydriatic or cycloplegic diagnostics?
Definition
Cyclopentolate or Tropicamide
Term

Ophthalmic Dye

Name and Administration

Definition

Fluorescein (Fluoresc as in Fluorescent)

Used to identify corneal defects and foreign objects

After instillation, various defects are highlighted in either bright green or yellow-orange, and foreign objects have a green halo around them

Term
What would you use to identify corneal defects?
Definition
Fluorescein, an ophthalmic dye
Term
What eyedrop would you use for allergic conjunctivitis?
Definition

Olopatadine an antihistamine

or Azelastine, emedastine, ketotifen, and Epinastine

Term
What drug would you use for treatment of Vernal Keratoconjunctivitis(Springtime inflammation of the cornea and conjunctiva)?
Definition

Cromolyn

(Mast Cell Stabilizer)

Term
Tetrahydrozoline
Definition

Ocular Decongestant

Vasoconstrictors blood vessels in and around the eye

reduce edema, controls redness, burning, and other minor irritations

Term
What would you use to control redness and burning related to allergies?
Definition

Tetrahydrozoline

(Decongestant)

Term
Restasis
Definition

ophthalmic form of cyclosporine(immunosuppressant)

Promotes tear production

Can use with artificial tears, given 15 minutes apart

Term
What would you take to promote tear production?
Definition
Restasis (immunosuppressant)
Term
How far apart should artificial tears and Restasis be administered?
Definition
15 minutes apart
Term
Parasympathomimetic ophthalmic drugs such as pilocarpine (Pilocar) reduce intraocular pressure in the treatment of glaucoma by which mechanism of action?
Definition

Miosis


Term
Which statement, made by a patient, indicates the need for further patient teaching regarding proper administration of eyedrops?
Definition
C. “I will rinse the eyedropper with tap water after each use.”
Term
The nurse is providing education to a patient who was diagnosed with bilateral conjunctivitis (pink eye). The patient is prescribed sulfacetamide (Bleph-10) for the diagnosis. What information in the patient history has the highest priority and should be reported immediately to the health care provider?
Definition
Term
The nurse is educating a patient who was administered atropine sulfate solution for an eye exam. The nurse includes which information in the education?
Definition
Use of sunglasses is encouraged to decrease sunlight sensitivity.
Term
The patient has been prescribed an ocular antihistamine, olopatadine (Patanol), for treatment of allergic conjunctivitis. The nurse knows the medication works though which action?
Definition
Competing at histamine receptor sites
Term
A child born with increased intraocular pressure is likely to be diagnosed with which type of glaucoma?
Definition
Congenital glaucoma
Term
A patient is prescribed epinephrine eye drops for treatment of chronic open-angle glaucoma. The patient complains of burning with instillation of the drops. How would the nurse respond to the patient?
Definition
“This is a typical adverse effect and may lessen over time. If this continues, we need to schedule an appointment with your provider.”
Term
Sympathomimetic mydriatics have the potential to react with other drugs if sufficient topical absorption occurs. When given concurrently, drugs in which class may interact with the sympathomimetic mydriatics?
Definition
Thyroid hormones
Term
At the time of birth, infants are often treated with erythromycin eye ointment as prophylactic treatment against what possible organism?
Definition
Neisseria gonorrhoeae
Term
The nurse is educating a patient newly diagnosed with open-angle glaucoma on the adverse effects of the indirect-acting miotic eye drops prescribed. What will the nurse include in the teaching as possible adverse effects? (Select all that apply.)
Definition
A,C,D
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