Measurement of the depths at different regions of the anterior chamber in healthy Chinese adults
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Chun-Hui Jiang. Department of Ophthalmology and Vision Science, Eye and ENT Hospital, Fudan University, 83 Fenyang Rd, Shanghai 200031, China. chhjiang70@163.com

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Supported by research grants from the National Key R&D Program of China (No.2017YFC0108200); the Shanghai Committee of Science and Technology (No.16140901000; No.13430710500; No.15DZ1942204).

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    Abstract:

    AIM: To measure the depths of different regions of the anterior chamber (AC) in healthy Chinese adults, and to explore possible correlations with age or gender. METHODS: The AC was imaged by swept-source optical coherence tomography in healthy Chinese adults. The horizontal scan of the right eye was used to measure the anterior chamber depth (ACD) at 199 points. RESULTS: A total of 309 images from 309 subjects were analyzed. The ACD values at nearly all locations were negatively correlated with age (all P<0.05), except for ACD1, 2, 198, and 199 (correspond to the iris roots). The mean annual decrease 0.013±0.005 mm/y for all ACDs combined, 0.008±0.004 mm/y for the peripheral region, 0.017±0.003 mm/y for the middle peripheral region, and 0.014±0.001 mm/y for the central region. The mean annual decrease was significantly different among these three regions (P<0.001). The ACD was greater in males than in females (P<0.05). The mean difference in ACD between males and females was 0.081±0.025 mm. CONCLUSION: This study showed that optical coherence tomography can be used to measure the ACD of different regions of the AC. We found reductions in ACD with age, although the reduction varied among different points, in healthy Chinese adults.

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Yuan Zong, Qing-Chen Li, Huan Xu, et al. Measurement of the depths at different regions of the anterior chamber in healthy Chinese adults. Int J Ophthalmol, 2020,13(1):135-140

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Publication History
  • Received:April 11,2019
  • Revised:July 08,2019
  • Adopted:
  • Online: December 27,2019
  • Published: