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Fluorescein Stain Ophthalmic

Ophthalmic Diagnostic Dye
Last reviewed 22 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
2 available
Formulations
2

Mechanism of action

Hydrophilic fluorescent dye that pools in areas of corneal epithelial loss (ulcers, erosions) but does not stain intact epithelium. Under cobalt blue light, fluorescein-stained areas fluoresce bright green, delineating the extent of corneal damage.

At a glance

Class
Ophthalmic Diagnostic Dye
Schedule
OTC
Storage
Store at room temperature; strips in sealed foil packets; solution — single-use, discard after opening

Dosing

🐕

Dog

ESSENTIAL diagnostic tool for every eye exam
Dose
Route
Ophthalmic
Frequency
Single diagnostic application
🐈

Cat

Same importance in feline ophthalmology
Dose
Route
Ophthalmic
Frequency
Single diagnostic application
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

Formulations

💊

Other — 2

Strength
Strength

Storage

Store at room temperature; strips in sealed foil packets; solution — single-use, discard after opening

Safety

Monitoring parameters

Corneal staining pattern (positive = ulcer; negative = intact epithelium)Seidel test (streaming = full-thickness perforation/leak)
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

Interactions

No documented interactions.

Brands

Other markets

Fluor-I-Strip
Ful-Glo

FAQs

Frequently asked questions

What is Fluorescein Stain Ophthalmic?
Fluorescein Stain Ophthalmic is a ophthalmic diagnostic dye used in pets. Hydrophilic fluorescent dye that pools in areas of corneal epithelial loss (ulcers, erosions) but does not stain intact epithelium. Under cobalt blue light, fluorescein-stained areas fluoresce bright green, delineating the extent of corneal damage.
What is Fluorescein Stain Ophthalmic used for in pets?
Fluorescein Stain Ophthalmic is used in veterinary medicine for: ESSENTIAL diagnostic tool for every eye exam; Same importance in feline ophthalmology.
What is the Fluorescein Stain Ophthalmic dose for dogs?
For dogs, Fluorescein Stain Ophthalmic is typically dosed as follows — ESSENTIAL diagnostic tool for every eye exam: undefined undefined Ophthalmic Single diagnostic application. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Fluorescein Stain Ophthalmic dose for cats?
For cats, Fluorescein Stain Ophthalmic is typically dosed as follows — Same importance in feline ophthalmology: undefined undefined Ophthalmic Single diagnostic application. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Fluorescein Stain Ophthalmic need a prescription?
Fluorescein Stain Ophthalmic is available over the counter. Even so, you should consult your veterinarian before giving any medication to your pet.
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

References

References

The PetCare.AI drug reference is built from 13 authoritative sources cited across 580 drug monographs.

Textbooks & handbooks — 5

  • Plumb's Veterinary Drug Handbook
  • Withrow & MacEwen's Small Animal Clinical Oncology
  • Merck Veterinary Manual
  • NRC Nutrient Requirements of Dogs and Cats
  • Veterinary Pharmacology and Therapeutics (Riviere & Papich)

Clinical guidelines & consensus — 4

  • ASPCA Animal Poison Control Center Guidelines
  • AAHA Diabetes Management Guidelines
  • ASPCA Poison Control Guidelines
  • RECOVER CPR Guidelines

Journals & peer-reviewed studies — 2

  • EPIC Study (J Vet Intern Med 2016)
  • JVIM FAT CAT Study

Regulatory & approvals — 1

  • CDSCO Veterinary Drug Approval Registry (1969–2026)

Databases — 1

  • Washington State University VCPL MDR1 Database

Related medicines

Other medicines in the same class (Ophthalmic Diagnostic Dye).

Fluorescein Sodium
Water-soluble fluorescent dye that stains areas of corneal epithelial defects (ulcers, abrasions) green-yellow under cobalt blue light, enabling detection of corneal damage and assessment of tear film integrity
dogcat
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