[Zhonghua yan ke za zhi] Chinese journal of ophthalmology · 2010
[Comparison of tilt and decentration of four different kinds of aspheric intraocular lenses implantation].
Сравнительное исследованиеАннотация на английскомСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Xing Xiao-jie, Tang Xin, Song Hui, Li Wei-wei
Аннотация
OBJECTIVE: To measure tilt and decentration of four different kinds of aspheric intraocular lenses (IOLs) with Scheimpflug imaging systems after cataract surgery.
METHODS: One hundred and thirty eyes undertaken cataract surgery and IOLs implantation, including four different kinds of aspheric IOLs [1-piece hydrophilic acrylic IOLs (Akreos AO, Bausch & Lomb); 3-piece acrylic IOLs (Tecnis9003, AMO); 1-piece acrylic IOLs (SN60WF, Alcon) and 1-piece hydrophilic acrylic IOLs (920H, Rayner)] and 3-piece acrylic spherical IOLs (AR40e, AMO), were retrospectively reviewed. Tilt and decentration of IOLs were measured using Scheimpflug system (Pentacam, Oculus) and analyzed with Image-pro plus 6.0 software.
RESULTS: Except tilt of AR40e group, the vertical and horizontal tilt and decentration for other groups did not differ significantly. The mean IOL tilt in AO, Z9003, IQ, 920H, AR40e was 2.08 degrees, 2.58 degrees, 1.72 degrees, 1.81 degrees, and 3.22 degrees, respectively, which showed statistically significant differences (F = 4.511, P = 0.003). The mean IOL decentration in AO, Z9003, IQ, 920H and AR40e was 0.04, 0.24, 0.25, 0.19 and 0.18 mm, respectively, which showed significant difference in vertical direction (F = 4.162, P = 0.047). The average tilt significantly correlated with amount of decentration in Z9003 IOL (r = -0.517, P = 0.034).
CONCLUSION: In different types of aspheric IOL implanted within the capsule, tilt and decentration in 1-piece and 4-point haptic IOL are less than those in 3-piece and 2-point haptic IOL.
METHODS: One hundred and thirty eyes undertaken cataract surgery and IOLs implantation, including four different kinds of aspheric IOLs [1-piece hydrophilic acrylic IOLs (Akreos AO, Bausch & Lomb); 3-piece acrylic IOLs (Tecnis9003, AMO); 1-piece acrylic IOLs (SN60WF, Alcon) and 1-piece hydrophilic acrylic IOLs (920H, Rayner)] and 3-piece acrylic spherical IOLs (AR40e, AMO), were retrospectively reviewed. Tilt and decentration of IOLs were measured using Scheimpflug system (Pentacam, Oculus) and analyzed with Image-pro plus 6.0 software.
RESULTS: Except tilt of AR40e group, the vertical and horizontal tilt and decentration for other groups did not differ significantly. The mean IOL tilt in AO, Z9003, IQ, 920H, AR40e was 2.08 degrees, 2.58 degrees, 1.72 degrees, 1.81 degrees, and 3.22 degrees, respectively, which showed statistically significant differences (F = 4.511, P = 0.003). The mean IOL decentration in AO, Z9003, IQ, 920H and AR40e was 0.04, 0.24, 0.25, 0.19 and 0.18 mm, respectively, which showed significant difference in vertical direction (F = 4.162, P = 0.047). The average tilt significantly correlated with amount of decentration in Z9003 IOL (r = -0.517, P = 0.034).
CONCLUSION: In different types of aspheric IOL implanted within the capsule, tilt and decentration in 1-piece and 4-point haptic IOL are less than those in 3-piece and 2-point haptic IOL.