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The pictures on the left show the medical use under eyelid to lower the eylid in severe facial palsy and to protect the eye.
When the eyelid turns in towards the eye (entropion) the lashes touch the surface of the eye (cornea) and cause pain and even ulceration.
An injection of Botulinum toxin A into the small muscle in the eyelid (orbicularis oculi) temporarily prevents the eyelid turning in and gives complete relief of symptoms.
Example of blepharospasm - patient unable to voluntarily open his eyes and starting his injections.
