Ridinox 0.1% Eye Drop is an antiviral medicine used in the treatment of eye infections caused by herpes simplex virus. It stops the virus from producing new viruses in the body and clears up the eye infection. Ridinox 0.1% Eye Drop is for external use only. Take it in the dose and duration as advised by your doctor. Wash your hands before and after applying the medicine. Hold the dropper close to the eye without touching it. Gently squeeze the dropper and place the medicine inside the lower eyelid. Wipe off extra liquid. It may cause irritation and burning sensation immediately following application. However, these side effects are temporary and usually subside on their own. Inform your doctor if they persist for a longer duration. Do not wear contact lenses while using it.