1 What is MembraneBlue?

Brand: MembraneBlue, VisionBlue

Generic: Trypan Blue

Brand name:

MembraneBlue, VisionBlue.

Trypan blue is a blue color dye which is used during cataract eye surgery.

It works by staining retinal membrane of an eye and so makes retinal membrane more visible to surgeon.

It is available in the solution form, only with your doctor’s prescription.

Cataract awareness

2 What to Know Before Using

Before starting the treatment your doctor should be informed about condition such as,


Inform your doctor if you are allergic to any food, preservatives, dyes, or had an allergic reaction when you used this drug before.


There are no adequate studies done which proves Trypan blue harmful effects in children. It is not expected to cause different effects than adults.


This medicine does not cause any different side effects or problem than it does in younger adults.

Drug Interactions

It may interact with other drugs. Your doctor should be informed of any other medicines which you are taking. He may want to change the dosage or drug.

3 Proper Usage

It is given into your eye by your doctor or a trained health care professional during your eye surgery.

Any extra amount of this dye will be removed after your surgery.

4 Precautions to Take

Your doctor should check your daily progress at regular visits during the first few weeks of surgery.

It may remain in your eye for few days after surgery and can turn your eye or tears in blue color.

Discuss it with your doctor if you have any concern regarding this.

5 Potential Side Effects

All medicines have some side effects. Some people may experience none or minor side effects.

Consult with your doctor if they become problematic or frequent

Some of them are,

  • Blue color remaining in the eye
  • Discoloration of artificially implanted lens

This is not a complete list of side effects and others may occur.

Call your doctor for medical advice about side effects

You may report side effects to FDA at 1-800-FDA-1088.

6 Related Clinical Trials