The skilled physicians of Avery Eye Clinic offer all of the care and expertise necessary to preserve, protect and improve your vision.

Most importantly, our mission from the beginning has been and is to enhance the total quality of our patient’s life through the treatment of eye disease and the restoration and preservation of sight.

With this Total Life Enhancement in mind, we interact with every patient as a whole person, not just a pair of eyes, and care for each patient as we would a member of our own family.

Our entire team strives to give every patient the latest advances in modern eye care accompanied by an old-fashioned approach to caring.

Our Surgical Team

Baptiste J. Dejean III, M.D., F.A.C.S.

Baptiste Dejean M.D. F.A.C.S.


Dr. Baptiste Dejean is a board-certified ophthalmologist specializing in glaucoma, cataract, and LASIK/refractive surgery. Dr. Dejean performs many laser vision surgeries including custom blade-free LASIK, laser cataract surgeries, many eyelid surgeries, and multiple glaucoma surgeries including laser and minimally-invasive iStent.  He is a Fellow of the American College of Surgeons and certified through the American Board of Ophthalmology. Baptiste was born in New Orleans, Louisiana and grew up along the Louisiana and Texas gulf coast. He attended medical school at the University of Texas Southwestern Medical Center Dallas, graduating in 1992. He completed his internship in internal medicine and residency in ophthalmology through The University of Texas Medical Branch Galveston from 1992-1996.  In 1997, he completed his fellowship at the University of Texas Health Science Center at Houston/Houston Eye Associates Connor Glaucoma Center for Glaucoma/Anterior Segment Surgery before beginning his practice here at Avery Eye Clinic.  In 1999 Dr. Dejean became a certified refractive surgeon. He is currently trained and certified on the AMO VISX Excimer, Intralase, and IFS Laser System as well as the Alcon Allegretto and FS-200 Laser Systems. He is also trained on the LensX Cataract Laser System.


Andrew W. Dvorak, M.D.

Andrew Dvorak, M.D.


Andrew Dvorak is a board-certified ophthalmologist, cataract surgeon, and refractive surgeon. He performs femtosecond laser-assisted cataract surgery, micro-invasive glaucoma surgery (i-stent and ECP), and specializes in Toric and multifocal lenses. Andrew attended medical school at Chicago Medical School / Rosalind Franklin University of Medicine and Science, graduating in 2003. He completed his internal medicine internship at Naval Medical Center Portsmouth in 2004, working as a US Naval Flight Surgeon from 2004 - 2008. Andrew went on to complete his residency in ophthalmology at the University of Florida, graduating in 2011. He is a Certified STAR S4 IR Excimer Laser System Advanced CustomVue and IntraLase Technology for bladeless LASIK.

Jonathan Jan, M.D.

Jonathan Jan MDJonathan Jan, M.D. is a board-certified ophthalmologist, cataract surgeon, and refractive surgeon. He was awarded his medical degree at Texas A&M University and completed his internship as well as a residency in ophthalmology at the University of Florida. He also completed his fellowship in Cataract, Cornea, External Disease, and Refractive surgery at the University of Texas Southwestern. He is renowned for providing thorough medical care for the treatment of a host of conditions, which include, cataract, eye infections, corneal diseases and LASIK surgery. Warm and welcoming, Dr. Jan is an experienced ophthalmologist treating a wide spectrum of specialized needs. He is skilled at building close relationships with his patients.


Craig C. Kuglen Jr., M.D.

Craig Kuglen Jr. M.D.


Craig Kuglen Jr. is a board-certified ophthalmologist and cataract surgeon. Craig is from Galveston, Texas. He attended medical school at the University of Texas Health Science Center at Houston, graduating in 1990. He continued onto his residency at University of Texas Medical Branch at Galveston until 1994. Craig began practicing Ophthalmology and performing cataract surgeries in 1994 at Valley Eye Center in Harlingen, Texas. He joined Avery Eye Clinic in 1999.


Linda H. Lin, M.D.

Linda Lin M.D.


Linda H. Lin, MD is a board-certified ophthalmologist, cataract surgeon, and glaucoma specialist. She grew up on the Texas Gulf Coast and was raised in Port Lavaca, TX, “Home of the Fighting Sandcrabs.” Her academic achievements include acceptance into the prestigious 7-year Honors Program in Medical Education (combined BA/MD) at Northwestern University straight from high school. To escape the harsh midwestern winters, she returned to the south to New Orleans to complete her ophthalmology residency at the combined LSU/Ochsner program and to experience Mardi Gras firsthand. Developing a particular interest in glaucoma, her fellowship training took her to Dean McGee Eye Institute at the University of Oklahoma where she trained with world-renowned glaucoma expert, Dr. Gregory Skuta. She finally returned to Texas and joined Avery Eye Clinic. She practices general ophthalmology with a glaucoma subspecialty and is a member of the American Glaucoma Society. In her spare time, she enjoys spending time with her family and traveling.


Mark H. Wilkerson, M.D.

Mark Wilkerson M.D.


Mark H. Wilkerson, MD, a board-certified ophthalmologist, grew up in Conroe, Texas. He received his Bachelor’s degree from Texas A & M University and then graduated from Southwestern Medical School in Dallas. He completed his internship and ophthalmology residency at Scott and White Hospital/Texas A & M College of Medicine before continuing his training with a glaucoma fellowship at Duke University Eye Center. Dr. Wilkerson then returned to Texas and has practiced in Montgomery County since 1990 with a focus on general ophthalmology and glaucoma. He joined Avery Eye Clinic in 2012. Outside of work he enjoys travel, outdoor activities and spending time with his wife and children.


Our Optometrist

Steven Black, O.D.

Steven Black, O.D. is a board-certified optometrist. He graduated with honors from the University of Houston – College of Optometry in 1981 and has been in practice serving the vision needs of patients in the Huntsville, Texas and the surrounding area for over 30 years. Dr. Black joined Avery Eye Clinic in 2019. Outside of work, Dr. Black enjoys spending time with his wife, children, and grandchildren.


Renee Williams, O.D., FAAO

Renee Williams O.D. FAAO


Renee Williams, O.D. is a board-certified optometrist, beginning her practice of full-scope optometry including contact lens fitting and management of ocular disease and surgical cases in 2004. Dr. Williams finished a bachelor of science degree in biology from Oral Roberts University and a doctor of optometry degree from Oklahoma College of Optometry at Northeastern State University. Following graduation from optometry school, Dr. Williams opted to pursue another year of study as a resident at BVA Advanced Surgical Eyecare in Edmond, Oklahoma, and TLC laser center in Oklahoma City, Oklahoma, where she was trained in ocular disease management and patient care following cataract and refractive surgery.  Dr. Williams is a fellow member of the American Academy of Optometry.

Dr. Williams joined Avery Eye clinic in July 2013.  She is glaucoma certified and happily accepts patients school age and up for routine examination or surgical evaluation.

Outside of work, Dr. Williams enjoys spending time with her husband and two daughters, who are her greatest source of entertainment.