Unlike farsightedness and nearsightedness which are clearly distinguished, many people often mistakenly think that farsightedness and presbyopia are the same disease. However, this is not true, farsightedness and presbyopia have some common characteristics but the causes of the disease are very different.

Myopia is the leading cause of vision loss in the world today. This visual disorder can get worse over time. In addition to causing vision loss, myopia can change the structure of the eye, putting patients at risk for future eye disease.

Statistical studies show that the incidence of refractive errors is increasing rapidly in Vietnam. In particular, astigmatism can occur at any age, regardless of children or adults. Astigmatism is hereditary, so newborns can also have this refractive error.

Lasik surgery is one of the effective treatments for eye problems such as nearsightedness, farsightedness or astigmatism. However, this method can leave some temporary complications for patients, typically dry eyes after Lasik surgery. So what causes dry eyes?

Astigmatism is a fairly common refractive error. It often occurs when you have eye diseases or eye injuries. Depending on the severity of astigmatism, you can choose to treat it with glasses or surgery.

Myopia is a vision condition in which you can only see close objects clearly and see distant objects blurry. Myopia glasses help adjust the image to converge properly on the retina so that people with myopia can see more clearly. However, myopia does not necessarily mean you have to wear glasses, so what degree of myopia should you wear glasses for?