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Investigation of myopia pilots


~ A 3.00D5 eyes, accounting for 1, a more than 3 3.2513, 0.6. The average refractive error for the whole group of 0.99 ± 0.42D. Statistics also found that pilots and flight navigator of a 2.50D myopia were the following. Which shows the vast majority of myopia is a physiological below 3.00D myopia, and most of the following in a 2.00D,[link widoczny dla zalogowanych], mostly myopia greater maintenance and air as a correspondent by the volunteers. 2.4 The aircraft flight duties and the relationship between myopia (Table 1, Table 2) in 6423 people,[link widoczny dla zalogowanych], the rate of myopia in Table 1 flight to transport models and the relationship between myopia r, as the room. Near the line color line rang and then fly to fly straight and level conditions show no intelligence service line to fly and benefit incidence,[link widoczny dla zalogowanych], types of students eyed machine as near as the flight line and close to the body of one degree of several members of the / line,[link widoczny dla zalogowanych], Regulation of a fly-type work for nearly a class, a boat, fly. Although the line was considered a paper on the Health fat, flying one of the analysis: as the sub-total key words to nearly 128 * Abstract of the system off flying duties and Table 2, the relationship between myopia, followed by bombers and trainer aircraft,[link widoczny dla zalogowanych], the F (strong) plane hit the lowest. J-(strong) attack units compared with the transport unit, P <0.01, to teach refining units and transport units compared to the corpse <0.05. In flight duties, the highest prevalence of the air maintenance, followed by correspondent and pilot, the pilot minimum. Comparison of pilot and air crew, P <0.01, comparing the pilot and air crew, dead <0. Q5. 2.5 flight between smell and myopia (Table 3) seen from Table 3, the rate of myopia in 1501 ~ 2000 hours flight time high, but no flight time the higher the ratio the more the law of myopia, that flight time and the prevalence of myopia is no direct relationship between high and low. 5 Discussion 5.1 The incidence of myopia of people flying in 1983, Pro-vines on the U.S. 2185 Flight pilot and navigator were myopia random sample was 7.8, the pilot was 13.6% cJ). This 6423 people, poor vision due to myopia caused by a total of 292 500 persons, the number of myopia was 4.55%, of which flight the pilot was 4.17, 5.26 pilot, correspondent to 6.09, air crew as 1O. 78%, compared with the above-mentioned report, the flight personnel of significantly lower incidence of myopia. 5.2 The relationship between myopia and myopic flight because both genetic factors, but also acquired environmental impact, while the physiological myopia more intense close range and long-term work, study closely. Pilots in the cockpit and instrument within the eyes, the distance of about 75 ~ 100cm, not a close work. In addition, the high-flying space myopia may occur, but it is generally believed that such a temporary space for the development of myopia does not make a permanent myopia flight personnel). We find that the amount of flight time and the ratio of the level of myopia is no direct relationship. According to the intensity and tension of the flight, the pilot work intensity SUBMARINE Table 5 the relationship between flight time and myopic pilot flying the biggest, followed by the navigator and correspondent, air maintenance minimum, and the ratio of this level of myopia the intensity of the work coincided with the flight and the tension the contrary, this shows that the work itself flying the occurrence and development of myopia are not directly affected. Therefore, the flight is not the work of occupational myopia. Flight personnel in the occurrence and development of myopia in addition to my internal factors, mainly theoretical study phase and ground training, learning and the lack of attention to eye health due to such factors as poor lighting. This is mainly pre-school graduation with the students in the physical distribution and recruitment of quality related. It is understood that participants in the study after the expiration of pre-school, assigned to flight school to learn F (strong) attack, or other models of the drivers, most of the selection of good physical, visual acuity better students, and physical fitness a bit weak, particularly is barely a vision. O who is assigned to the bombers, transport aircraft pilot aviation school learning and communication. Air crew joined the army has not been rigorous examination, some joined the army because of their work after the locomotive was converted into the air from the ground maintenance work, there are currently some bombers and transport planes by the volunteers as a correspondent. Some of the air maintenance and communication of volunteers joined the army as the former is short-sighted patients, this examination revealed the greater of refraction also many of these people. 4
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