Quality Eye Care, Everywhere
Fluorescein Filters and Portable Anterior Eye Examination Devices
Supporting fluorescein assessment, tear film evaluation, and dry eye assessment across clinical, domiciliary, and outreach settings.
Aston Vision Sciences designs the tools clinicians trust to provide outstanding eye care to the communities they serve
Built on clinical research and proudly manufactured in the United Kingdom
Common Questions
Who uses our equipment?
University optometry teaching clinics, locum optometrists moving between practices with inconsistent equipment, domiciliary and care home eye care providers, NHS eye casualty, paediatric ophthalmology, and veterinary practice including companion and farm animals.
What does a fluorescein wratten filter do?
Under blue illumination, a yellow barrier filter blocks reflected blue light and transmits the green-yellow fluorescence emitted by sodium fluorescein. Contrast increases, so features such as tear break-up, epithelial defects and punctate staining are easier to see.
Will it fit my slit lamp?
The filter clips onto the front objective of many common slit lamps and can also be used hand-held, so it is not tied to one make or model.
Please click here to see compatible slit lamp models or contact us with your model if you want it confirmed before ordering.
Where to buy?
Direct from our online store, or through UK distributors including Bondeye Optical and Sight and Sound Technology
Can I do fluorescein assessment without a slit lamp?
Yes. The Lumio Anterior Eye Inspector provides tuned blue illumination at 7× magnification with a clip-in barrier filter, for use in domiciliary visits, ward rounds, eye casualty, outreach and veterinary settings.
Is Aston Vision Sciences ISO certified?
Yes. Aston Vision Sciences operates an ISO 13485 certified quality management system and manufactures in the United Kingdom.
All products meet UKCA and CE Marking requirements.