Analysis of ocular cyclotorsion in lying position after peribulbar block and topical anesthesia

Purpose: Evaluate the magnitude of cyclotorsion during cataract surgery in patients with indication for intraocular toric lenses comparing the results after peribulbar and after topical anesthesia. Methods: This prospective study comprised 112 eyes that underwent cataract surgery with implantation o...

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Bibliographic Details
Published in:Revista Brasileira de Oftalmologia 2014-08, Vol.73 (4), p.199-201
Main Authors: Kara-Junior, Newton, Mourad, Paula C., Moraes, Renata L. B., Piva, Caroline, Santhiago, Marcony Rodrigues
Format: Article
Language:English
Subjects:
Administration, topical
Administração tópica
Anestesia local
Anesthesia, local
Anormalidade torsional
Eye movements
Movimentos oculares
Patient positioning
Peribulbar block
Posição do paciente
Torsion abnormality
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Summary:Purpose: Evaluate the magnitude of cyclotorsion during cataract surgery in patients with indication for intraocular toric lenses comparing the results after peribulbar and after topical anesthesia. Methods: This prospective study comprised 112 eyes that underwent cataract surgery with implantation of toric intraocular lens by topical anesthesia or peribulbar block. We estimated how many degrees of cyclotorsion occurred after topical anesthesia and peribulbar block with the patient in supine position. A tag was performed in the position of 180 degrees of the right eye and zero degrees of the left eye, with the patient seated. Afterwards, it was requested a change to the supine position and then a new dial in 180 and zero degrees respectively from right and left eye were made. Results: The current study demonstrated that patients submitted to cataract surgery with implantation of toriclens under local anesthesia showed approximately 6.89 degrees of incyclotorsion (82 eyes) and 6.93 degrees of excyclotorsion (38 eyes) and a mean of cyclotorsion of 6.91 degrees. Patients undergoing peribulbar block showed 5.68 degrees of incyclotorsion (73 eyes) and 4.81 degrees of excyclotorsion (47 eyes) and a mean of cyclotorsion of 4.92 degrees. Conclusion: Through the study we can see that the movement of incyclotorsion in patients undergoing peribulbar anesthesia was lower when compared to topical anesthesia. This is relevant since the greater the incyclotorsion, the lower the predictability of the surgery and the lower the chance of obtaining excellent results in the final refractometric.
ISSN:0034-7280
1982-8551
DOI:10.5935/0034-7280.20140044