FAIRFAX, Va.--The Optical Laboratories Association (OLA) has added three new labs to its membership roster. Two of the labs-Midwest Lens of Lenexa, Kan. and RGV Optical Lab of McAllen, Texas, are wholesalers; the third, Torga Optical of Johannesburg, South Africa is a retailer.

The addition of the three companies increases OLA's total membership to 337 labs.