About Us


Gloria L Marquez - N.C.L.E.C.- A.C / Supervisor

Gloria has 30 plus years of experience in fitting routine lenses, and specializing in contact lenses to correct for medical disorders of the cornea. Such lenses include, Sclerals, Hybrids, Custom Soft, and  R.G.P. lenses. She is an advanced certified fitter with the National Contact Lens Examiners, a member of the Contact Lens Society of America and a member of the Scleral Lens Society. She has been a Technical Product Consultant for Barnes-Hind and A Instructor for Collin County Community College. Former certifications include A.B.O. ( American Board Of Opticianry ), C.O.A. ( Certified Ophthalmic Assistant ), and she is Bilingual in Spanish. 


Andrew K Bonham - N.C.L.E.C. / Website Administrator

Andrew has 8 years of experience in fitting and dispensing of all types of contact lenses, including, Soft, Single vision, Cosmetic, Toric lenses for Astigmatism, and Bifocal lenses. He is a certified contact lens fitter by National Contact Lens Examiners, and a member of the Contact Lens Society of America. Other affiliations include, F.N.A.O. ( Fellow National Academy Of Opticianry ), and he has experience as an ophthalmic technician. 


Sue Marshall - Business Manager / Certified by Care Credit

Sue has 17 years of experience as business manager at O.A. Contacts. She is in charge of all the billing/accounting for the office, filing Insurance claims that accept us as a provider, and ordering/checking in contact lenses. 


At O.A. Contacts, we emphasize quality at a competitive price, providing you with an extensive selection of contact lenses. With today's new lens technologies many people who wear eye glasses can now successfully wear contact lenses. With the help of our Highly experience staff, you could become a successful contact lens wearer. In addition to a routine exam, a more precise contact lens exam is required to determine if you are a good candidate for contact lenses, and what type of contact lens is best for your vision. To speak with one of our eyecare professionals, for more information or to schedule an appointment please call (817) 870-2421