Corneal electrode for recording electroretinograms in rats

Mordechai Rosner, Phyllis Bobak, Tim L. Lam

Research output: Contribution to journalArticlepeer-review


The corneal contact lens electrode, because of its convenience, has replaced the cotton-wick electrode for recording electroretinograms from patients and animals such as dogs, rabbits, and cats. The cotton-wick electrode, however, remains popular for rat electroretinogram measurements because small contact lens corneal electrodes that fit rat eyes are difficult to fabricate. We prepared corneal electrodes from disposable needles for use in recording electroretinograms from rats. The electrodes were readily prepared, were inexpensive, and were used successfully in six rats.

Original languageEnglish
Pages (from-to)175-180
Number of pages6
JournalDocumenta Ophthalmologica
Issue number2
StatePublished - Jun 1993
Externally publishedYes


  • Corneal contact lens electrode
  • Electroretinogram
  • Rat


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