1: The naked vision of the right eye is 4. 8. The naked vision of the left eye is 4. 6, and the corrected vision is not less than 5.0; After refractive and excimer laser surgery, there were no complications for more than half a year. 2: male 162cm, female 158cm. 3: not more than 20% of the standard weight and not less than 10% kg of the standard weight. Standard weight = height-1 10. 4: Age, male 18-23, female 17- 19. 5. Urban soldiers should graduate from high school, while rural soldiers can graduate from junior high school. As long as these conditions are met. It depends on many specific physical conditions.