Chinese Journal of Tissue Engineering Research ›› 2016, Vol. 20 ›› Issue (21): 3171-3177.doi: 10.3969/j.issn.2095-4344.2016.21.019

Previous Articles     Next Articles

 Visual function of senile cataract patients after implantation of an aspheric multifocal versus an aspheric monofocal intraocular lens

Wang Guo-qiang, Zhao Yan, Zhao Yan-tao, Ding Ying   

  1. Department of Ophthalmology, the First Hospital of Hebei Medical University, Shijiazhuang 050081, Hebei Province, China
  • Received:2016-03-16 Online:2016-05-20 Published:2016-05-20
  • Contact: Zhao Yan, Associate chief physician, Department of Ophthalmology, the First Hospital of Hebei Medical University, Shijiazhuang 050081, Hebei Province, China
  • About author:Wang Guo-qiang, Associate chief physician, Department of Ophthalmology, the First Hospital of Hebei Medical University, Shijiazhuang 050081, Hebei Province, China
  • Supported by:

    the Medical Research Key Project Plan of Hebei, No. 20140099

PDF

310

Abstract:

BACKGROUND: Monofocal intraocular lens can restore distant vision of cataract patients, but it is not suitable for near vision recovery, so most of patients still need to wear glasses. In contrast, multifocal intraocular lens can make up for the shortcomings of the single lens to improve near vision and increase the rate of taking off the spectacles.

 

OBJECTIVE: To compare the visual function of senile cataract patients after aspheric multifocal and monofocal intraocular lens implantation.

 

METHODS: Totally 30 senile cataract patients with 50 affected eyes were randomly divided into two groups: the eyes were implanted with aspheric multifocal and monofocal intraocular lens as experimental group and control group, respectively. At 3 months after implantation, distance visual acuity at a distance of 5 m, the best corrected distance visual acuity, as well as near and intermediate visual acuity at a distance of 30, 60 and 100 cm were detected, respectively. Besides, contrast sensitivity at a spatial frequency of 0.8, 1.5, 6 and 18 cpd under light and dark environment was measured.

 

RESULTS AND CONCLUSION: At 3 months after implantation, the distance visual acuity at a distance of 5 m in the two groups was significantly better than that before surgery (P < 0.05); no significant differences were found in near and intermediate visual acuities at a distance of 5 m and 100 cm between two groups, but the near visual acuities at a distance of 30 and 60 cm in the experimental group were significantly higher than those in the control group (P < 0.05). In addition, the contrast sensitivity at different spatial frequencies under light environment had no significant differences between two groups; and compared with the control group, contrast sensitivity at the frequency of 6 cpd under dark environment was significantly decreased in the experimental group (P < 0.05), but no significant differences were found in the other spatial frequencies. These results show that aspheric multifocal intraocular lens can significantly improve the near and intermediate visual acuity of senile cataract patients compared with the monofocal lens.

 

 

 

Key words: Lens, Introocular, Cataract, Contrast Sensitivity, Tissue Engineering

CLC Number: