Computer programmers who work on the computer screen for a long time are susceptible to myopia. In order to help these people prevent and relieve myopia, the company has issued brochures for employees to teach you some methods to prevent and treat myopia. If one of the following is true, the effect of the above publicity can be questioned most:. ['People who do not often work with computers may also suffer from myopia.', 'Methods for preventing and treating myopia vary from person to person.', 'Ophthalmologist guidance for the prevention and treatment of myopia.', 'Myopia is difficult to self-prevent and treat.']