Asia-Pacific journal of ophthalmology (Philadelphia, Pa.) · 2018
Bilateral Implantation of a Single-Piece Bifocal Diffractive Intraocular Lens in Presbyopic Patients: A Prospective Case Series.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Chang John S M
Аннотация
PURPOSE: To report visual outcomes and quality after bilateral implantation of a single-piece diffractive multifocal intraocular lens (MIOL) with a bifocal design.
DESIGN: Prospective, observational case series.
METHODS: All presbyopic subjects were implanted with the ZMB00 MIOL (Abbott Medical Optics) at the Hong Kong Sanatorium and Hospital. We evaluated the distance, intermediate, and near visual acuity (VA) under photopic and mesopic conditions; contrast sensitivity with and without glare under photopic and mesopic conditions; quality of vision; and rate of spectacle independence.
RESULTS: A total of 36 subjects were included. No intraoperative complications developed. At the 6-month visit, the mean (± standard deviation) monocular uncorrected VAs at distance, intermediate, and near were 0.01 ± 0.12, 0.26 ± 0.17, and 0.09 ± 0.08, respectively. The respective mean binocular uncorrected VAs were -0.05 ± 0.09, 0.12 ± 0.13, and 0.04 ± 0.06. No eyes lost any corrected distance VA. The binocular contrast sensitivity was significantly better without glare than with glare under photopic and mesopic conditions (P < 0.05 for all spatial frequencies under both conditions). A total of 21 (58%) and 21 subjects (58%) reported halo and glare, respectively. Thirty subjects (83%) reported complete spectacle independence.
CONCLUSIONS: Bilateral implantation of the bifocal MIOL in presbyopic patients with or without cataract was safe and resulted in satisfactory vision and a high rate of spectacle independence. Halos and glare were common.
DESIGN: Prospective, observational case series.
METHODS: All presbyopic subjects were implanted with the ZMB00 MIOL (Abbott Medical Optics) at the Hong Kong Sanatorium and Hospital. We evaluated the distance, intermediate, and near visual acuity (VA) under photopic and mesopic conditions; contrast sensitivity with and without glare under photopic and mesopic conditions; quality of vision; and rate of spectacle independence.
RESULTS: A total of 36 subjects were included. No intraoperative complications developed. At the 6-month visit, the mean (± standard deviation) monocular uncorrected VAs at distance, intermediate, and near were 0.01 ± 0.12, 0.26 ± 0.17, and 0.09 ± 0.08, respectively. The respective mean binocular uncorrected VAs were -0.05 ± 0.09, 0.12 ± 0.13, and 0.04 ± 0.06. No eyes lost any corrected distance VA. The binocular contrast sensitivity was significantly better without glare than with glare under photopic and mesopic conditions (P < 0.05 for all spatial frequencies under both conditions). A total of 21 (58%) and 21 subjects (58%) reported halo and glare, respectively. Thirty subjects (83%) reported complete spectacle independence.
CONCLUSIONS: Bilateral implantation of the bifocal MIOL in presbyopic patients with or without cataract was safe and resulted in satisfactory vision and a high rate of spectacle independence. Halos and glare were common.