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Lagophthalmos is the inability to close the eyelids completely. [1] Blinking covers the eye with a thin layer of tear fluid, thereby promoting a moist environment necessary for the cells of the exterior part of the eye. The tears also flush out foreign bodies and wash them away. This is crucial to maintain lubrication and proper eye health.
Lagophthalmos, the inability to close the eyelids completely is the main cause of exposure keratopathy.Common cause of lagophthalmos is facial nerve (CN VII) palsy. Facial nerve function may affect in several conditions like cerebrovascular accident, head trauma, brain tumors, Bell's palsy etc. Physiological inability to close the eyelids during sleep (nocturnal lagophthalmos) may also cause ...
General anaesthesia reduces the tonic contraction of the orbicularis oculi muscle, causing lagophthalmos i.e. the eyelids do not close fully in 59% of patients. [3]In addition, general anaesthesia reduces tear production and tear-film stability, resulting in corneal epithelial drying and reduced lysosomal protection.
(H02.2) Lagophthalmos (H02.3) Blepharochalasis (H02.4) Ptosis (H02.5) Stye, an acne type infection of the sebaceous glands on or near the eyelid. (H02.6) Xanthelasma of eyelid (H03.0*) Parasitic infestation of eyelid in diseases classified elsewhere Dermatitis of eyelid due to Demodex species ( B88.0+ ) Parasitic infestation of eyelid in:
use surgical tape to keep the eye closed (if Nocturnal Lagophthalmos is a factor) Waking options. learn to wake with eyes closed and still and keeping artificial tear drops within reach so that they may be squirted under the inner corner of the eyelids if the eyes feel uncomfortable upon waking. [5]
Due to the proptosis, eyelid retraction and lagophthalmos, the cornea is more prone to dryness and may present with chemosis, punctate epithelial erosions and superior limbic keratoconjunctivitis. The patients also have a dysfunction of the lacrimal gland with a decrease of the quantity and composition of tears produced.
Blepharoplasty is generally a relatively safe surgery, but possible complications include hematoma/ecchymosis, lagophthalmos (incomplete or abnormal closure of the eyelids), ptosis (drooping of the upper eyelid), scarring, dry eyes, orbital hematoma/compartment syndrome, lymphedema, and ocular motility disorders. [13]
The results are more aligned with the natural anatomy of the eye, making the crease appear more natural and dynamic. However, this method is more complex, requiring a longer operation and recovery time. One significant risk is lagophthalmos, where excessive removal of lid tissue can prevent the eyelid from fully closing.