Ophthalmic Agents Flashcards
Miotics
Indications
- Constrict pupil
- Decrease resistance to aqueous flow
- Used for glaucoma
Mydratics
Indications
- Dilate the pupil
- Allow for examination of the retina
Cyclopegics
Indications
Paralyze muscle that controls the lens to aid refraction
Other Indications of Ophthalmic Agents
- Ophthalmic infections and inflammation
- Treat allergy symptoms
Ophthalmic Agents Contraindications
Absolute: Allergy
Cautions:
* Systemic effects (potential, but unlikely)
* Pregnancy (animal studies have shown adverse effects on fetus)
Ophthalmic Agents
Drug Interactions
- Make sure to space different drugs apart
(amount of time depends on medications)
Ophthalmic Agents
Adverse Effects
- Irritation (Burning and stinging)
- Blurring of vision
- tearing
- headache (from mydratics)
Ophthalmic Agents
Assessment
History: Drug allergy, current medication and conditions
Physical: eyes, possible vision exam
Ophthalmic Agents
Interventions/Patient Teaching
- Correct administration
- comfort and safety measures
- patient teaching
Ophthalmic Agents
Nursing Conclusions
- Acute pain/impaired comfort
- Risk for injury
- Deficient knowledge
Ophthalmic Beta-Adrenergic Blockers
Indications
- Glaucoma
- Ocular Hypertension
pressure
Ophthalmic Beta-Adrenergic Blockers
MOA
Reduces production of aqueous humor => decrease in pressure
Ophthalmic Beta-Adrenergic Blockers
Adverse Effects
- Irritation (burning. stinging, blurred vision, tearing)
- Minimal systemic effects: Blocks the SNS
Ophthalmic Beta-Adrenergic Blockers
Drug Names
“-olol”
- Betaxolol
- Timolol
Ophthalmic Carbonic Anhydrase Inhibitors
Indications
- Glaucoma
- Ocular hypertension