Current opinion in ophthalmology · 2010
Diplopia in adult patients following cataract extraction and refractive surgery.
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Gunton Kammi B, Armstrong Blair
Аннотация
PURPOSE OF REVIEW: The purpose of this article is to report the incidence and cause of diplopia following cataract surgery and laser in-situ keratomileusis (LASIK).
RECENT FINDINGS: Ocular misalignment following cataract extraction with retrobulbar anesthesia has an incidence of approximately 7%. Diplopia ranges in this group of patients from 0.23 to 0.98%. The incidence of ocular misalignment decreases with topical anesthesia for cataract extraction to 5%, and diplopia occurs with an incidence of 0.21-0%. Although there are small case series, the incidence of diplopia following LASIK has not been reported. The causes of diplopia following cataract extraction and LASIK include decompensation of pre-existing strabismus, new-onset accommodative esotropia, concurrent onset of systemic disease, disruption of central fusion, and monocular diplopia. The leading cause for diplopia following retrobulbar anesthesia for cataract extraction is extraocular muscle paresis/restriction and is unique to this type of procedure. In cases of topical anesthesia for cataract extraction and for LASIK procedures, the leading cause of diplopia is decompensation of pre-existing strabismus.
SUMMARY: Detailed history and evaluation for pre-existing strabismus can dramatically decrease the incidence of unexpected diplopia following refractive procedures.
RECENT FINDINGS: Ocular misalignment following cataract extraction with retrobulbar anesthesia has an incidence of approximately 7%. Diplopia ranges in this group of patients from 0.23 to 0.98%. The incidence of ocular misalignment decreases with topical anesthesia for cataract extraction to 5%, and diplopia occurs with an incidence of 0.21-0%. Although there are small case series, the incidence of diplopia following LASIK has not been reported. The causes of diplopia following cataract extraction and LASIK include decompensation of pre-existing strabismus, new-onset accommodative esotropia, concurrent onset of systemic disease, disruption of central fusion, and monocular diplopia. The leading cause for diplopia following retrobulbar anesthesia for cataract extraction is extraocular muscle paresis/restriction and is unique to this type of procedure. In cases of topical anesthesia for cataract extraction and for LASIK procedures, the leading cause of diplopia is decompensation of pre-existing strabismus.
SUMMARY: Detailed history and evaluation for pre-existing strabismus can dramatically decrease the incidence of unexpected diplopia following refractive procedures.