Frequently Asked Questions


How do I use Mermaid Tears™?

Apply 2 drops of Mermaid Tears™ to each eye 30 minutes before entering the ocean.

Apply 1 drop of Mermaid Tears™ as needed to maintain clear underwater vision, but not more often than once per hour.

Do not apply more than 6 drops of Mermaid Tears™ in a 24 hour period.

Do not share your bottle of Mermaid Tears™ with others. Mermaid Tears™ is a script-only OTC drug which is intended for use by a single person, per FDA regulation.

Can I use Mermaid Tears™ with contact lenses?

If you are nearsighted or have astigmatism, Mermaid Tears™ will allow you to see clearly without your contact lenses.

If you are farsighted, you can use Mermaid Tears™ with your contacts. Instill 2 drops of Mermaid Tears™ into each eye, wait 30 minutes for extra mucin to form, then insert your contacts. If you need additional dose(s), first remove your contacts, instill one drop in each eye, and wait 15 minutes before re-inserting your contacts.

How do I store Mermaid Tears™?

Store unopened bottle of Mermaid Tears™ in your freezer.  

After opening, Mermaid Tears™ may be stored at room temperature for up to 3 years.

Your Mermaid Tears™ may have thawed during shipment.  Refreeze immediately if you do not intend to use it within 72 hours.

Does Mermaid Tears™ have side effects?

Do not over-use Mermaid Tears™. The maximum dosage is 6 drops in a 24-hour period.*

Precaution during use: Objects under water are closer than they appear.

*Excessive use may permanently affect your genome, causing your pupils to change from round to horizontal or vertical slits.  Some patients develop nictitating membranes.  However, we think these effects are probably reversible.