Ultrasound biomicroscopy examination of intraocular lens haptic position after phacoemulsification with continuous curvilinear capsulorhexis and extracapsular cataract extraction with linear capsulotomy

Intraocular lens (IOL) haptic position in 35 eyes that had undergone cataract surgery was examined with ultrasound biomicroscopy (UBM). In a prospective randomized study the patients were operated by phacoemulsification using continuous curvilinear capsulorhexis (CCC) (group I) or by extracapsular c...

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Bibliographic Details
Published in:Acta ophthalmologica Scandinavica 1999-08, Vol.77 (4), p.394-396
Main Authors: Landau, Irène M. E., Laurell, Carl‐Gustaf
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Anterior Eye Segment - diagnostic imaging
Anterior Eye Segment - pathology
Capsulorhexis
Ciliary Body - diagnostic imaging
Ciliary Body - pathology
Female
Humans
Iris - diagnostic imaging
Iris - pathology
Lasers
Lens Capsule, Crystalline - surgery
Lenses, Intraocular
Male
Medicin och hälsovetenskap
Phacoemulsification - methods
Photometry
Prognosis
Prospective Studies
Ultrasonography
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Summary:Intraocular lens (IOL) haptic position in 35 eyes that had undergone cataract surgery was examined with ultrasound biomicroscopy (UBM). In a prospective randomized study the patients were operated by phacoemulsification using continuous curvilinear capsulorhexis (CCC) (group I) or by extracapsular cataract extraction (ECCE) using linear capsulotomy (group II). Ultrasound biomicroscopy was used to localize both haptics of the implanted intraocular lenses and to measure anterior chamber depth (ACD), iris thickness and anterior chamber angle. The inflammatory reaction in the anterior chamber was assessed with laser flare photometry. Slit lamp examination was performed. Both IOL haptics were found in the lens capsule in all 18 eyes in group I. In group II one of the haptics was located out of the capsule in 7 of 17 eyes (41%). The difference is statistically significant (p=0.01). Postoperatively mean ACD measured with the UBM was 4.06+/-0.30 mm in group I and 3.64+/-0.24 mm in group II (p=0.00025). The UBM examinations indicate that phacoemulsification with continuous curvilinear capsulorhexis is a more reliable technique than ECCE with linear capsulotomy to achieve implantation of the intraocular lens haptics in the capsular bag.
ISSN:1395-3907
1600-0420
DOI:10.1034/j.1600-0420.1999.770406.x