Glasses with what lenses (collecting or diffusing) are needed: a) with myopia; b) with hyperopia?

A nearsighted person needs glasses with diffusing lenses. Far-sighted – with the collectors.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.