Are you studying? Make sure to wear your astigmatism glasses! Not wearing them can negatively affect your preparation. Astigmatism causes blurry vision and eye strain, leading to discomfort and headaches. Astigmatism occurs due to an irregular shape of the cornea or lens, but wearing glasses can correct blurry vision, helping you study more effectively.

It sounds like you have a refractive error, which means your eyes may not focus light correctly. The numbers you mentioned indicate mild nearsightedness and farsightedness, respectively. Wearing glasses can help correct your vision, allowing you to see clearly at various distances. It's essential to wear them consistently for the best results. If you experience any discomfort or changes in your vision, I encourage you to consult with an eye care professional. They can provide a thorough examination and ensure your prescription is accurate, giving you the best possible vision correction. 

Cataracts are eye conditions that cause cloudy vision, making it hard to see clearly. People with cataracts may notice that objects appear blurry, colors are less vibrant, and vision at night is more challenging. Cataracts typically develop when the lens in your eye becomes cloudy, often due to aging or other health issues. The most effective treatment is surgery, where the cloudy lens is replaced with a clear artificial one.

Yes, eye pain can be a sign of TB infection if your eyes are infected with it. TB can infect the eyes which in turn can lead to various health problems. Typical symptoms are the presence of eye pain, redness, and blurry vision. The medication for TB treatment should be followed strictly as prescribed by your doctor. Also, it is recommended to have regular check-ups to track your progress. 

The symptoms you are experiencing, may or may not be linked to the dosage of sertraline. It is better to consult with a eye doctor for proper evaluation