Both your eyes are mostly fine. A corneal erosion can be dangerous and cause pain and sensitivity to light. Even if you have perfect eyesight, you may need to wear special glasses that will protect your eye from an even greater injury. These glasses can be used to stop more erosions from happening. 

It might be a good idea to seek medical attention since you're experiencing low fever, sore throat, etc.. Given your history of migraines, these symptoms could have various causes. If your symptoms are severe, worsening, or causing significant distress, it's advisable to seek medical help promptly.

Omega-3 and lycopene are indeed good for them. Apart from that, you can get these benefits by taking Murine 300 or Vitacover. The proper dosage is to take 1 capsule of one of them per day. These capsules have a role in maintaining your heart's health & your eyes' good shape. 

Itching and swelling around the eyes might be a symptom of an eye infection or allergies. It is important to see an ophthalmologist for a correct diagnosis and a therapeutic plan.

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.