Combigan Ophthalmic Solution 5 ml is used to lower intraocular pressure in conditions like glaucoma and ocular hypertension. It works by decreasing the production of aqueous humour and increasing the amount of liquid that is drained. In some cases, this medicine may cause side effects such as a burning sensation, eye redness, itching, irritation, and vision disturbances. Avoid touching the container's tip to the eye, eyelids, or surrounding areas as it may contaminate the product.