Doctors & Staff

Dr. Simpson is a South Tulsa native who has a passion for taking care of patients and their vision. Dr. Simpson enjoys fitting specialty contact lenses, including myopia control lenses and scleral contacts. She also enjoys helping patients manage dry eye syndrome. She completed extensive training in ocular disease treatment and management for conditions such as glaucoma, macular degeneration, diabetic retinopathy, and cataracts.

She is also the daughter of Drs. Terry Lawson and Gerri Herrin-Lawson, and sister to Dr. Kacy Henley. Their family is proud to be an independent and locally owned private practice. She has always loved watching her parents as optometrists and knew from a young age that she wanted to follow in her family’s footsteps and become an eye doctor.

She moved to sunny South Florida for optometry school and graduated with honors from Nova Southeastern University in May 2020. She received her Bachelor of Science degree in Nutrition from Oklahoma State University in 2015 and another Bachelor of Science degree in Vision Science from Nova Southeastern University in 2017. While in optometry school, Dr. Simpson was involved in the National Optometric Practice Management Association.

Dr. Simpson is a member of the Oklahoma Association of Optometric Physicians and the American Optometric Association.

Dr. Simpson and her husband, Alex, enjoy spending time traveling and exploring new places around the world. They have two young boys who keep them busy when she’s not at the office.

Dr. Malik brings a friendly, down-to-earth approach to every patient interaction and is excited to be part of the Vision Source Tulsa team!

Dr. Abbas Malik was born and raised in the heart of Kentucky, where his passion for helping others first took root. He earned his Bachelor of Science in Nutrition from the University of Kentucky, where he developed a deep appreciation for the connection between overall health and vision. Inspired by shadowing a local optometrist in his community, he set his sights on a career in eye care.

Dr. Malik went on to earn his Doctor of Optometry degree in 2021 from Kentucky College of Optometry, graduating with honors. During his training, he gained extensive clinical experience in the management of glaucoma, diabetic retinopathy, and macular degeneration.

Committed to serving those in need, Dr. Malik previously partnered with Remote Area Medical (RAM), offering free eye exams to underprivileged families across Kentucky-a testament to his dedication to accessible and compassionate eye care.

Outside the office, Dr. Malik enjoys staying active with long walks and is an avid sports fan.

Dr. Kari Wilkerson was born and raised in Tahlequah, OK . She graduated from NSU Oklahoma College of Optometry and received her Bachelor of Science degree in Education with a Minor in Spanish in 2009. Dr. Wilkerson’s special interests include ocular disease and pediatrics, and she is a proud member of the Oklahoma Association of Optometric Physicians.

Dr. Wilkerson is married to David Wilkerson, PharmD and has three children: Gracelynn, Gavin, and Laynie. When she’s not in the office, you’ll find her outdoors spending time with family, gardening, or fishing.

Dr. Baylee Moles was born and raised in Tahlequah, OK. She proudly attended optometry school and college in her hometown, which sparked her passion to serve her community. She graduated with honors with a Doctorate in Optometry in 2022 from Northeastern State University Oklahoma College of Optometry. She also received a Bachelor of Science degree in Cellular Biology with a minor in Chemistry in 2017 from Northeastern State University.

Since graduating optometry school, Dr. Moles has been serving as faculty with NSU as a clinical optometrist and professor at Cherokee Nation Will Rogers Health Clinic. During this time, she has gained extensive experience and a special interest in managing and treating a wide range of eye conditions such as macular degeneration, glaucoma, diabetic retinopathy, cataracts, and dry eye disease. She also enjoys pediatrics.

Dr. Moles is a member of the Oklahoma Association of Optometric Physicians and the American Optometric Association. Dr. Moles is the niece of Drs. Terry Lawson and Gerri Herrin-Lawson, the founders of Vision Source Tulsa. Shadowing in their office as a teenager is what solidified that she wanted to become an optometrist. Dr. Moles is looking forward to serving South Tulsa and keeping the family tradition of providing excellent patient care going!

Outside of the office, Dr. Moles and her husband enjoy spending time with their family and corgi. She enjoys traveling, staying active, being outdoors, and attending sporting events.

Dr. Lawson is the founder of Vision Source Tulsa and has recently retired from patient care.

Dr. Lawson served as Adjunct Associate Professor at Northeastern State University College of Optometry for eight years. He obtained his Doctorate of Optometry degree from Northeastern State University College of Optometry in 1987. He obtained his Master’s degree in Operations Management from the University of Arkansas in 1983 and a Bachelor’s degree in Physiology from Oklahoma State University in 1977. Dr. Lawson holds a second bachelor’s degree in Vision Science from Northeastern State University.

Dr. Lawson served in Tulsa as the Commander of the 138th Medical Squadron, Oklahoma Air National Guard. His first six years of service were on active duty as a navigator in C-130 aircraft. Colonel Lawson retired after serving twenty-nine years in the active duty Air Force, the Oklahoma Air National Guard, and the Air Force Reserve.

Dr. Lawson supports local and global outreach. He is a volunteer at Tulsa’s Day Center and travels yearly to unserved areas abroad with Asbury Church and other medical mission agencies. Dr. Lawson has provided optometric care in Tanzania, Peru, Lebanon, and Mexico.

Dr. Lawson has lectured for the Kansas Optometric Association, NSU College of Optometry, several Rotary Clubs, and the Air National Guard. Dr. Terry Lawson is a member of the Oklahoma Association of Optometric Physicians, the American Optometric Association, and a retired member of the Association of Military Surgeons of the United States.

Dr. Lawson enjoys working with patients to treat and resolve ocular health concerns, as well as specialty contact lenses, including scleral lenses and myopia control.

Dr. Lawson is married to Dr. Gerri Lawson and has 3 daughters, all of whom are optometrists. He is also the proud Pops to 10 grandchildren. Dr. Lawson retired from patient care in 2025.