青少年由于长时间近距离用眼或其他不当的用眼习惯使眼睛的睫状肌过度收缩而处于痉挛状态,再视远物时睫状肌不能调节成松驰状态,因而只能看清近距离的物体,即形成所谓的“假性近视”。由于青少年各方面处于生长发育阶段,眼球的发育和视力的变化尚不稳定,因此“假性近视”只是一种功能调节的暂时失控现象,而并未产生眼球前后径变长等器质性病变,一般来说,这时只要注意改变不良的用眼习惯,随着身体的发育,就能很快恢复正常。但在日常生活中,儿 Adolescents due to long-term use of the eye or other improper use of the eye habits of the eye ciliary muscle over contraction and in spasticity, and then as far as possible when the ciliary muscle can not be adjusted to relax state, which can only see the distance The formation of the so-called “pseudo-myopia”. As adolescents in all aspects of growth and development stage, eye development and changes in visual acuity is not stable, so “pseudo myopia” is only a temporary loss of regulatory function control, and did not produce the eye before and after the diameter of the other variable Sexually transmitted diseases, in general, at this time as long as attention to change bad habits with the eyes, with the body’s development, can quickly return to normal. But in everyday life, children