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Trypan blue (Intraocular)

Generic name: trypan blue

Brand names: MembraneBlue, VisionBlue

Last updated February 10, 2026 0 views
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Uses for trypan blue

Trypan blue is used to help during cataract eye surgery. It is a blue dye that stains a part of the eye known as the retinal membrane. This makes it easier for your doctor to see the retinal membrane by creating a contrast between the different parts of your eye.

This medicine is available only with your doctor's prescription.

This section was rewritten for readability and reviewed for meaning.

Precautions while using trypan blue

Your doctor will want to monitor your progress at regular visits during the first few weeks after you receive this medicine.

Some of this medicine may stay in your eye for a few days. It could make your eye or tears look blue. Talk to your doctor if you have any questions.

This section was rewritten for readability and reviewed for meaning.

Before using trypan blue

In deciding to use a medicine, you and your doctor need to consider the risks of taking it against the benefits it may provide. Here are some important points to think about:

Allergies

Inform your doctor if you have ever had any unusual or allergic reactions to this medicine or any other medicines. Also, let your healthcare professional know if you have any other allergies, like to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Studies done so far have not shown any specific problems in children that would limit the use of trypan blue.

Geriatric

Studies done so far have not shown any specific problems in older adults that would limit the use of trypan blue.

Interactions with Medicines

Some medicines should not be used together at all, while others can be used together even if there is a chance of interaction. In these situations, your doctor may need to adjust the dose or take other precautions. Inform your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

Interactions with Food/Tobacco/Alcohol

Some medicines should not be taken around the time of eating food or certain types of food due to possible interactions. Drinking alcohol or using tobacco with some medicines may also cause interactions. Talk to your healthcare professional about using your medicine with food, alcohol, or tobacco.

This section was rewritten for readability and reviewed for meaning.

Side Effects of trypan blue

Along with its necessary effects, a medicine may cause some unwanted effects. Not all of these side effects may happen, but if they do, they may need medical attention.

Check with your doctor or nurse right away if any of the following side effects happen:

Incidence not known

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

Other side effects not listed may also happen in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

In the U.S.

  • MembraneBlue
  • VisionBlue

Available Dosage Forms:

  • Solution

Therapeutic Class: Surgical Aid, Ocular

This section was rewritten for readability and reviewed for meaning.

Proper use of trypan blue

A doctor will give you this medicine during your eye surgery. Any extra amount of this medicine will be washed out of your eye at the end of the surgery.

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.