Legal analysis: If a nearsighted college student wants to join the army, he can have laser surgery six months in advance to confirm that there are no complications, and his eyesight can reach the corresponding standard before joining the army.

Legal basis: People's Republic of China (PRC) Military Service Law.

Article 3 The people of China and citizens of China, regardless of nationality, race, occupation, family background, religious belief and education level, have the obligation to perform military service in accordance with the provisions of this Law.

People who are unfit for military service with serious physical defects or serious disabilities are exempted from military service.

People deprived of political rights according to law may not perform military service.