Topical Preparations: 1  Neomycin / amethocaine / permethrin ear drops (GAC ear drops, Arnolds Veterinary Products) 1-2 drops topically twice daily. ( 2 D107). 3  Neomycin / betamethasone ear/eye drops (Betsolan ear/eye drops, Pitman-Moore) 1-2 drops topically twice or three times daily.ppropriate Use. 1  Neomycin-sensitive infection. 2  Mainly oral administration against enteric infections, for reduction of colon microbe loads prior to colonic surgery. 3  Oral or enema administration in the treatment of hepatic encephalopathy by reducing ammonia-producing bacteria.
Types of eye twitching. Minor eyelid twitch also can be caused by irritation of the surface of the eye ( cornea) or the membranes lining the eyelids (conjunctiva). Sometimes the cause of minor eyelid twitch cannot be identified. In almost all cases it is painless and harmless.
Causes. 1  The cause of minor eyelid twitch is unknown. 2  The essential blepharospasm is a focal dystonia, or abnormal movement, produced by the part of the brain controlling movement. 3  The cause of hemifacial spasm is thought to be an abnormality in the nerve to the facial muscles, which causes the face to twitch.