Do not wear your prescribed glasses or contact lenses when needed
Spend long periods staring at screens without breaks
Read in very dim light or very bright glare
Hold books, phones, or tablets very close to your eyes
Sleep too little and let your eyes stay strained
Rub your eyes frequently
Avoid regular eye exams
Smoke or expose your eyes to harmful fumes
Ignore eye pain, blurred vision, or sudden vision changes
Use expired or improper contact lenses
Do not protect your eyes from UV light
Let diabetes, high blood pressure, or other health conditions go untreated