Answer:
I don't know bc I'm a bit slow
The cleaning process is used to eliminate smudge and dirty grit. Because this dust can cause damage to the lens if reused, hence it is recommended that the wipe should be disposed of in order to prevent damage in later cleanings.
If you re-use it can have the possibility to smear oils from the fingers on the lens. Moreover, the dust from earlier used paper can damage the coating. Because the lens paper is like a paper sheet, once it is stained, you cannot use it again.
1. if under the age of 16 find consent from parents, if over 16 make sure they sign a consent form
2. if the participant needs to be deceived during experiment make sure to debrief them after
3. always put participants physical, mental and emotionally health first
4. make sure they are aware of that they can withdraw from the study at any point before publishing
