ophthalmic preparations; ophthalmic drops, namely, eye drops; pharmaceutical products for ophthalmological use; pharmaceutical preparations for use in ophthalmology; pharmaceutical preparations for the treatment of eye infections; pharmaceutical preparations for ocular or intraocular surgery; pharmaceutical preparations for use in ocular disorders; pharmaceutical preparations for the treatment of eye diseases and conditions; pharmaceutical preparations for the treatment of ophthalmic conditions; topical ophthalmic pharmaceutical preparations for the treatment of dryness of the eye