Help make Alexa smarter on Alexa Answers. Sign in with Amazon


What are eye drops made out of?

Depending on the product, eye drops contain a polymer to make them thicker than water, preservatives to prevent bacterial contamination and buffers to keep the pH close to the pH of natural tears. They may also contain medicines or salt.

{{ relativeTimeResolver(1614659117918) }}

Points points 54
Rating 0

Similar Questions
Sign in to view all similar questions
Miscellaneous 3 Answers

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world