1. Underneath means in a lower position than something else.
The sheets are underneath the blankets on the shelf.
2. Underneath means covered by.
I found my jacket underneath the other coats.
3. Underneath indicates concealed feelings.
Underneath her smile there is a lot of heartache.
He is really very kind underneath his stern appearance.
Precaution while using Contact Lenses
For Daily Disposable Wear
There is no cleaning or disinfection needed with your contact lenses if they are prescribed for daily disposable wear. Always dispose of lenses when they are removed and have replacement lenses or glassesavailable. Lenses should only be cleaned, rinsed and disinfected on an emergency basis when replacement lenses or glasses are not available. For EMERGENCY LENS CARE ONLY, refer to the instructions below for cleaning, rinsing and disinfecting your lenses.