Pharmacology
Drug Vehicles
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Get access- Solutions: cause less blurring of vision than ointments
- Ingredients can be added to increase viscosity (see above)
Semisolids/ointments: increased duration of action because of reduced dilution/clearance and prolonged corneal contact
- Blur vision and can cause contact dermatitis
- Slow-release preparations
- Ocular inserts: eg. used for dry eyes
- Collagen shields
- Soft contact lens
- Intravitreal inserts:
- Ozurdex: dexamethasone intravitreal implant
- Retisert: intravitreal pellets containing the steroid fluocinolone
- Iluvien: intravitreal insert also containing fluocinoline