There are five ways by which one can be informed that he/she is suffering from dry eyes.

A. The first and most recommended source for patients is "Patient Forum", where the type of people share their feelings about dry eye, and where you can get some information about dry eyes that is very easy to understand. 

b. The second way is to consult directly in an eye care professional like drdorioeyecare. With face to face conversation, both patients and doctors can find out more about the problem and the condition of the patient, so that diagnosis and accurate treatment can be quickly decided. 

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c. Health authorities have an extensive database of patient’s information. They have a reliable academic opinion and most of the articles in it are written by doctors.

Therefore, they are believed to be the best source of information for dry eyes. They can be easily found on Google, but are a little bit difficult to understand for the general public.

d. Retailers can also give you some information about dry eye, especially those with rich experience. That is why when some people have dry eyes which is not so serious, they can directly to the drugstore to buy some drugs under the instruction of the retailer.

e. Some manufactures of dry eyes products are also able to provide specific information about dry eyes. They are equipped with the knowledge that is relevant to communicate with customers.

However, in the meantime, their information may not be professional, therefore, this is a mixed bag of information about the dry eyes.