How do you feel about my ceiling fan being filled with dust?
I feel like you should do some cleaning, are you worried about dust?
I'm a little worried because it dust could damage my eyes.
It's good that you're paying attention to things like that.  Cleanliness where you live is important.  It will keep you healthy and keep your place looking sharp!
Germs and viruses are found where I live.
Those are found in everyone's home. That's why you should maintain a basic level of cleanliness in your home. Keeping up on this will be very beneficial for you.