There is a very big misconception among people that if you follow personal hygiene you are going to be healthy and at least away from those infectious diseases, but I'm very sorry to say, you have completely mistaken it. Hygiene is just not about personal cleanliness it's much beyond that, you also need to make sure the place where you live is also neat and clean.
Have a look at things present at your home and risking your health.
The major symptom is red, sore eyes.
Other symptoms include persistent nerve pain, numbness, appetite changes, increased urination, temperature regulation, etc.
Share it as much as possible and take care.