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30/10/2025, 00:02                                  Pharmaceutical Solutions & Sterile Dosage Forms

Types of ocular delivery systems

                                      Ocular Delivery Systems

                   Topical eye drops                           Semi-solid
                                                               Ointments, Gels

                   Ocular inserts, Contact lenses           Intraocular
                                                   Intraocular injection, Implant

       Liquids: Eye drops                                                                                   61/77

               They are sterile solutions or suspensions of one or more medicaments intended to be applied
               into the conjunctival sac for diagnostic or therapeutic purposes.
               Less than 10% of topically applied dose is usually absorbed into the eye.

               This might be due to:

                    Precorneal tear clearance
                   Blinking
                    Nasolacrimal drainage

                     The cornea is the main barrier to drug absorption (tear film)

           1. Solution Eye drops:

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