About Us

Perfect Vision Eyecare & Eyewear is pleased to offer a wide range of optometric services, eye care products including eyeglasses, specialty eyewear, frames, and contact lenses. Our staff is happy to help however we can.

From your first contact with us to your appointment and your follow-up, we aim to make your eye care experience great. This is what drives us to provide you with the best care year after year!

Contact us any time to learn more or to schedule your next appointment.

Abby Henderson, O.D.

Dr. Abby Henderson was raised in Canton, Texas and graduated with honors from Abilene Christian University with a degree in Biochemistry. She went on to earn a Doctorate of Optometry from the University of Houston. While in Optometry school, she received multiple awards and scholarships including special recognition for excellence in pediatric eye care, contact lens fitting and low vision. In addition, she was a member of the Beta Sigma Kappa Honorary Optometric Fraternity. Dr. Henderson is national board certified in the treatment and management of ocular disease and state board certified glaucoma specialist.

Dr. Henderson completed a Clinical Externship at Hellerstein and Brenner Vision Center in Centennial, Colorado where she trained in pediatric eye care, contact lens fittings, and comprehensive eye examinations. She then went onto complete another Clinical Externship at BridgeBuilders Eye Clinic in Dallas, Texas where she gained experience in treatment for ocular injuries and diseases including glaucoma, diabetic eye disease, uveitis and many other conditions.

Dr. Henderson is a member of the American Optometric Association, Texas Optometric Association and College of Optometrists in Vision Development.

Dr. Henderson currently lives in Katy with her husband, Jason.

Mark Pickering, O.D.

Dr. Mark is a graduate of the University of Houston College of Optometry and has been in practice for over 30 years. He is an Optometric Glaucoma Specialist as well as a Therapeutic Optometrist qualified in the treatment and management of ocular disease. He has also gained an extensive background in LASIK laser vision correction while providing patient care at a local laser center.

Dr. Mark is a member of the American Optometric Association, Texas Optometric Association, Harris County Optometric Association and the Optometric Professional Network.

He enjoys a variety of outdoor sports, especially playing softball twice a week in the Harris County Senior Softball League.

Sheryl Pickering, O.D.

Dr. Sheryl is a graduate of the University of Houston and has been in practice also for over 30 years. She specializes in contact lens fitting including bifocal contacts and lenses for astigmatism. In addition to her contact lens expertise, she is also a Therapeutic Optometrist and Optometric Glaucoma Specialist.

Dr. Sheryl is a member of the American Optometric Association, Texas Optometric Association, Harris County Optometric Association and the American Academy of Sports Vision. She is also an active member of The Federation of Houston Professional Women and the Women’s Business Support Network.

When not in the office, she volunteers her time helping the Animal Justice League.

Huy Pham, O.D.

Dr. Huy Pham obtained his Bachelor of Science in Biology from the University of Texas at Austin. Following his time at UT Austin, he received his doctorate and graduated Magna Cum Laude from the University of Houston College of Optometry.

In his final year, he completed two prestigious clinical rotations in Dallas and San Diego. The rotations emphasized primary care and the treatment and management of posterior ocular diseases such as glaucoma, diabetic retinopathy, and cataracts for a largely indigent population. The rotations also had an emphasis on dry eye and specialty contact lenses including scleral lenses.

In his time post graduation, he has incorporated myopia management, ortho-k, and specialized dry eye treatments, including the new Lipiflow treatment.

Dr. Pham is a friendly, outgoing person who is truly passionate about optometry and stays up to date with the newest and latest technology to provide the best experience for patients. His favorite part about the job is spending extra time with the patients, getting to know them, and seeing them back year after year.

When Dr. Pham isn’t hanging out with patients, he is making music, reading comics, traveling around the world, and eating delicious food.

Call or text us today or visit our appointment request page to find a time that is convenient for you to see us.

About Our Team

Our team of eye care professionals is experienced and friendly. We’re here to help all patients understand their benefits, schedule appointments, and fulfill their eye doctor’s orders. Our practice can give you guidance in picking out your perfect pair of eyewear, and our friendly office staff is knowledgeable about billing and benefits coverage.


Optometric Technician/Insurance Specialist

Dina has been a great addition to our eye care team at Perfect Vision and hit the ground running in mid 2002 and hasn’t stopped since. She is very familiar with examination pre-testing and contact lens training. She also works with filing with insurance and is available to answer questions that you may have.

Her energy and efforts ensure that Perfect Vision runs smoothly. We wouldn’t know what to do without her!



Thuy has been working in our optical for over 10 years and her enthusiasm is unmatched. She has a great eye for choosing a new pair of spectacles for our patients and can aid you in the process of what additional features will be useful for particular hobbies and interests. Thuy also helps with verifying insurance allotments for glasses and lenses.

She is available to make spectacle adjustments in office, so drop by to have your frames adjusted without an appointment!