Herbert's operation

Her·bert's operation

(hûr′bərts)
n.
An operation for creating a filtering cicatrix in glaucoma by cutting and displacing a wedge-shaped scleral flap.
References in periodicals archive ?
Should Spencer fail in his appeal, it would be a blow to Herbert's operation, which was delighted with the ride he gave Treat to finish fourth, beaten five and a quarter lengths, to Finsceal Beo in the 1,000 Guineas at Newmarket.