Ophthalmic preparations are sterile solutions, suspensions, and ointments which are intended to be applied to the eyelids or in the space between the eyeball and the eyelid.
Regular Websites
Dexasol drops, generically known as dexamethasone, are the subject of this article, including details about drug interactions, and indications as well as contraindications. - Dexasol Drops
http://www.everydayhealth.com/DrugsAZ/Dexasol-Drops.aspx
This section of the web site is dedicated to opthalmic preparations and outlines the definition of preparations as well as the three types, and ophthalmic preparations. - TPub: Opthalmic Prparations
http://www.tpub.com/content/armymedical/MD0809/MD08090122.htm