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| Research on the thickness of fovea in macular area in nuclear personnel |
| ZHAO Yuling1, LIU Shufeng1, MA Dexun2, YU Fengqi2, YAO Yebao2, DONG xin2 |
1. Qingdao Sanitarium of the PLA Navy, Qingdao 266071 China;
2. No. 971 Hospital of the PLA Navy |
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Abstract Objective To investigate the difference of thickness of macular area between personnel with special nuclear involvement and those without nuclear involvement.Method During the annual physical examination, the Optical coherence tomography (OCT) examination was added to measure the thickness of the macular area for personnel with special nuclear involvement and those without nuclear involvement in the general environment. Each person should take three times of measurements, and 204 nuclear personnel with odd numbers and 105 non-nuclear personnel were randomly selected according to the number at the end of the physical examination form. We took the average of the 3 times of measurements for comparison.Results The mean age of nuclear-related personnel and non-nuclear-related personnel was aged (29.40 ±6.16) and (28.92 ±6.71), respectively. The difference was not statistically significant, P = 0.5325. Mean visual acuity of the two groups: nuclear-related personnel was (1.04 ±0.03)(R), (1.05 ±0.03)(L), non-nuclear-related personnel was (1.00 ±0.05)(R), (1.02 ±0.05)(L), P = 0.5006(R), P = 0.5962(L). There was no significant difference in visual acuity between the two groups. Mean thickness in the macular area of nuclear-related personnel: (212.9 ±1.3) μm(R), (205.5 ±1.1) μm(L), P < 0.0001, the difference was statistically significant. Mean thickness in the macular area of non-nuclear-related personnel: (223.2 ±2.5) μm(R), (211.7 ±2.4) μm(L), P < 0.0001, the difference was also statistically significant. The differences of mean thickness of macular area of nuclear-related personnel and non-nuclear-related personnel were statistically significant, P = 0.0003(R), P = 0.0217(L).Conclusion The thickness of the macular area of non-nuclear-related personnel is thicker than that of nuclear-related personnel. It may be related to the excessive use of LED light sources in the special working environment of nuclear-related personnel. Other factors include nuclear, air pressure, oxygen partial pressure and the psychological state of the human being, which need to be proved by more detailed experiments.
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Received: 06 January 2020
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