That could be the sign of serious trouble and you need to see an ophthalmologist (Eye MD) today. It could be a major problem in the eye or there could be problems with the nerves entering the eye. These symptoms are not "minor".
Please act promptly.
JCH III MD Eye Physiciand & Surgeon
This should be evaluated promptly as it could be closed angle glaucoma or iritis. Both of which can be easily treated with early intervention.