It is neurological disorder of eye muscle causing the spasm, twitching and contraction of eyes in the form of dystonia with unknown etiology some gene are said to be involve such; DRD5 and TOR1A. Most cases of benign essential blepharospasm are sporadic, which means that the condition occurs in people with no history of this disorder or other forms of dystonia in their family.
The diagnosis Benign Essential Blepharospasm is purely on the clinical examination some neurological examination will help to diagnosis.
AGARICUS MUSCARIUS: Asthenopia from prolonged strain, spasm of accommodation. Twitching of lids and eyeballs. Margins of lids red; itch and burn and agglutinate. Inner angles very red.
RAPHANUS SATIVUS : Constant twitching of eye lids that almost prevent vision with rotary motion of the eye balls.
MEZEREUM: twitching of eye lids, muscles of right cheek and of pit of stomach. Annoying twitching.
MAGNESIA PHOSPHORICA: spasms and jerking about the eyes, or prolonged tonic spasms producing strabismus.
CROCUS SATIVA: twitching of eyelids especially in hysterical subject.