© 2015 by Hansen Ophthalmic Development Laboratory Inc.


Hansen Ophthalmic Development Lab is a third generation family owned business established in 1954. Based out of Coralville Iowa, 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 quarterly batches starting in the months of January, April, July, and October. Repair and reconditioning services are available on the first of each new quarterly month. 


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


Cleaning and Disinfecting Instructions


Jeff Hansen


Mailing Address: 

745 Avalon Pl

Coralville, IA 52241-3453

Email: jeff@hansenlab.com


Telephone: 319-338-1285

Fax: 319-338-7970