How to Administer PRP & Serum Eye Drops: Step-by-Step Patient Guide

Proper eye drop administration is essential for treating chronic dry eye, corneal erosions, and ocular surface disease. But when using Autologous Serum (ASED) or Platelet-Rich Plasma (PRP) eye drops, technique matters even more.

Because biological drops are custom-made from your own blood and contain zero artificial preservatives, proper handling, temperature management, and sterile application are critical to protecting their therapeutic growth factors and keeping your eyes safe from contamination.

Here is your complete step-by-step guide to storing, thawing, and applying your biological eye drops for maximum healing.

1. Storage & Thawing Guidelines for Biological Eye Drops

Unlike standard store-bought lubricants, biological drops require cold-chain care to preserve vital proteins and growth factors (such as EGF and NGF):

• Keep Master Vials Frozen: Store your main supply in the freezer at all times.

  
  

• Thaw One Vial at a Time: Move a single bottle from your freezer to the refrigerator 12 to 24 hours before use so it thaws naturally.

  
  

• Observe Expiration Limits: Once thawed, keep your active bottle refrigerated and use it within the time frame specified by your provider (within 7 days) to ensure maximum freshness and sterility.

  
  

• Never Microwave or Heat: Never use hot water or a microwave to force thaw your drops, as extreme heat destroys the living biological growth factors.

2. Step-by-Step Application Technique

Wash and Dry Hands Thoroughly

Critical step to prevent bacterial contamination

Wash your hands with soap and warm water for at least 20 seconds. Dry them with a clean, lint-free paper towel. Avoid using cloth towels that carry surface bacteria.

Prepare Your Biological Bottle

Remove your active thawed bottle from the refrigerator. Gently invert the bottle once or twice to ensure biological components are evenly distributed. Uncap the bottle and set the cap on a clean tissue on its side.

Position Head and Create the Lower Pocket

Tilt your head back comfortably or lie flat on your back. Look up toward the ceiling. Using your non-dominant index finger, gently pull down your lower eyelid to create a small pocket (the lower conjunctival sac).

Instill One Single Drop

Hold the bottle upside down directly above your eye. Gently squeeze until a single drop falls into the lower eyelid pocket. Do not let the dropper tip touch your eye, eyelashes, or fingers.

Close Gently and Apply Nasolacrimal Occlusion

(Keeps the biological drop on your corneal surface longer)

Close your eyes gently—do not squeeze or blink rapidly, as this forces the liquid out. Lightly press your index finger against the inner corner of your eye (near your nose) for 1 to 2 minutes. This keeps the drop on your cornea and prevents it from draining down your tear duct.

3. Common Mistakes to Avoid

• Touching the Dropper Tip: Touching the tip against your eyelashes or skin introduces bacteria into preservative-free drops. If the tip touches any surface, consult your provider.

  
  

• Instilling Multiple Drops at Once: The human eye can only hold about one drop at a time. Adding a second drop immediately simply washes away the first.

  
  

• Mixing Treatments Too Quickly: If you use other prescription eye drops, wait at least 10 to 15 minutes between applications so the biological drops can absorb fully into your corneal tissue.

  
  

4. Mobile Biological Support Across Our Service Areas

At Enrich Advanced Eye Care, we handle every detail of your biological eye drop therapy. From certified mobile technician blood draws to cold-chain delivery across Greater Los Angeles, Orange County, San Francisco Bay Area, Las Vegas, Phoenix, and Reno, we deliver fresh, potent PRP and Serum therapy directly to your door.