SAME DAY SHIPPING ON 99% OF ORDERS 
When the lamp in your ophthalmic examination and slit lamp instrument reaches end of life, this compatible replacement for the 31-31-91 by BAUSCH & LOMB gets you back up and running. It matches the original at 20W, 12V, MR16 form factor with a GX5.3 bi-pin base for a direct fit.
This lamp provides the steady, flicker-free illumination that ophthalmic instruments require for accurate slit lamp exams, retinal evaluations, and surgical procedures. Its full-spectrum output supports detailed visualization of anterior and posterior segments, where even small variations in light quality can affect diagnostic accuracy. It maintains stable color temperature and brightness throughout its rated life.
Key Features & Benefits
- Rated at 260 lumens for dependable brightness throughout the lamp's life.
- GX5.3 bi-pin base provides reliable electrical contact and stable operation.
- Standard MR16 form factor fits a wide range of compatible fixtures.
- Operates at 20W, 12V to match standard low-voltage circuits.
Product Specifications
- Wattage: 20W
- Voltage: 12V
- Base Type: GX5.3
- Bulb Shape: MR16
- Lumens: 260
- Condition: Brand New
Common Applications
This halogen lamp is commonly used in:
- Ophthalmic slit lamp examinations
- Retinal evaluation and fundoscopy
- Contact lens fitting stations
- Anterior segment imaging
- Eye care clinic examination rooms
- Volts: 12
- Watts: 20
- Base: GX5.3 / GU5.3 2-PIN
- Color Temp: 2925
- Lumens: 260
- Shape: MR16
- Life: 4000
- MOL: 1.80
- AMPS: 1.667
During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.
All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)
At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.