About
Hansen Ophthalmic Development Lab is a third generation family owned business established in 1954. We manufacture and sell the Burian-Allen ERG Electrode used by medical research and diagnosis facilities around the world.
Burian-Allen ERG Electrodes
Available in two models:
Unipolar (original design)
Bipolar (Lawwill modification: A.J.O. Vol. 51, No. 6, June 1966)
All Burian-Allen ERG Electrodes are handmade to order in trimester batches starting in the months of January, May, and September. Repair and reconditioning services are available on the first of each new trimester month.
New manufacturing lead times can range anywhere from 6-12 months - Email for current ETA. Repair batches are limited in size. Please contact us prior to sending any repairs to receive next batch status - Note new mailing address.
Email jeff@hansenlab.com for estimates, ordering information, and general inquiries.
Left to right: Large Adult, Adult, Pediatric, Infant, Small Infant, Special Small Infant, Large Premature Infant, Premature Infant
Electrode Sizes Available
Large Adult 25.0 x 24.0 mm Item Number: 303-20LA
Adult 22.0 x 21.0 mm Item Number: 303-20A
Pediatric 21.0 x 20.0 mm Item Number: 303-20P
Infant 20.0 x 19.0 mm Item Number: 303-20I
Small Infant 18.5 x 18.0 mm Item Number: 303-20SI
Special Small Infant 16.5 x 16.0 mm Item Number: 303-20SSI
Large Premature Infant 14.5 x 14.0 mm Item Number: 303-20LPI
Premature Infant 12.5 x 12.0 mm Item Number: 303-20PI