What Tobramycin/ Dexamethasone is used for:This product is used for the prevention of bacterial infections and to prevent/treat inflammation after cataract eye surgeries in adults and children above 2 years of age.
 
How to apply Tobramycin/ Dexamethasone:
The usual recommended dose is 1 drop in the affected eye(s) every four to six hours (while you are awake).
Your doctor may recommend a dose of 1 drop every two hours during the first 48 hours of treatment.
Do not use this medicine for more than 24 days.
The dose is the same for adults and children above 2 years of age. 
How To Use:
Use this medicine exactly as prescribed by your doctor. Ask your doctor if you are not sure. 
Wash your hands. When opening the bottle for the first time, tear off the plastic safety strip. Uncap the bottle. Shake the bottle well.
Tilt your head slightly backward and pull down your lower eyelid making a pocket.
Keep the bottle above your eye with the tip facing down. Look upward and away from the bottle then press on the container to release a drop (do not squeeze).
Let go of the lower eyelid and close your eyes for 1 minute. If an eye drop is missed, repeat the steps.
Wipe off any excess drops from your cheeks. Repeat the same steps after opening the bottle for the other eye if needed.