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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Lin, Haotian Yan, Pisong Yu, Keming Luo, Lixia Chen, Jingjing Lin, Zhuoling Chen, Weirong |
| Description | Country affiliation: China Author Affiliation: Lin H ( State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China.) |
| Abstract | PURPOSE: To evaluate anterior segment variations after posterior chamber phakic intraocular lens (pIOL) implantation in myopic eyes. SETTING: Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China. DESIGN: Cohort study. METHODS: Patients with high myopia were scheduled for nontoric Implantable Collamer Lens pIOL or toric Implantable Collamer Lens pIOL implantation. Anterior segment optical coherence tomography was performed to evaluate the anterior segment variations over time and the impact of physiologic accommodation and change in brightness after pIOL implantation. Slitlamp photography of the anterior segment was taken after pupil dilation to calculate pIOL rotation. RESULTS: There was significantly improved visual acuity and refractive status after implantation of both pIOLs. Anterior segment axial variations had good stability 6 months postoperatively. However, nontoric pIOL rotation occurred in 1 eye 7 months postoperatively and rotation of the toric pIOL occurred in 2 eyes at 3 months and 6 months. Stimulations of -4.0 diopters (D) and -8.0 D led to significant changes in anterior chamber depth (ACD) based on the lens (ACD-lens), ACD after pIOL implantation, distance between the pIOL posterior surface and the lens anterior surface (pIOL-lens), and pupil diameter. Increasing ambient light brightness could reduce the ACD-lens and pIOL-lens. CONCLUSIONS: Both pIOLs had good axial stability in myopic eyes 6 months postoperatively; however, rotational stability over time could not be determined. The physiologic adjustment and change in brightness could influence the anterior segment significantly in eyes with a pIOL. |
| File Format | HTM / HTML |
| ISSN | 08863350 |
| Issue Number | 5 |
| Volume Number | 39 |
| e-ISSN | 18734502 |
| Journal | Journal of Cataract & Refractive Surgery |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-05-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Ophthalmology Accommodation, Ocular Physiology Anterior Eye Segment Physiopathology Lens Implantation, Intraocular Myopia, Degenerative Surgery Phakic Intraocular Lenses Pupil Adolescent Adult Female Follow-up Studies Humans Male Microscopy, Acoustic Middle Aged Postoperative Period Prospective Studies Refraction, Ocular Tomography, Optical Coherence Visual Acuity Young Adult Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ophthalmology Sensory Systems Surgery |
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