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Home » Your North Houston Eye Doctors

Your North Houston Eye Doctors

Meet the North Houston eye doctors of Northline TSO. Our eye care professionals specialize in understanding how the human eye really works, as well as diseases and conditions that affect your vision—many of which do not always have obvious symptoms. Eye doctors of Northline TSO know how age and risk factors affect vision over time for young and old, and they understand the benefits and features of corrective lenses, both as eyeglass lenses and contact lenses.

Meet Your Northline Eye Doctor:

At Northline TSO, our optometrists take the time to explain the results of your eye exam, describe your options and listen to your eye care needs. Because maintaining good eye health is an ongoing partnership, our eye doctors encourage you to ask questions and share your health information, which could be vital to monitoring, diagnosing and treating potential vision problems.


Rachel Cruz, O.D.

Dr. Rachel Cruz attended Texas A&M University, earning her Bachelors of Science in Biomedical Science in 2007. Gig ‘Em!! She went on to earn her doctoral degree from the University of Houston-College of Optometry in 2012, where she was a member of the Beta Sigma Kappa-Optometry Honor Society. Go Coogs!

Dr. Cruz knows how important it is to provide patients with the best vision possible and is committed to ensuring the health of all her patients. She also believes that patient education is essential to health care and enjoys discussing all issues regarding ocular health and well-being. She also understands that living in the digital age presents unique challenges for our eyes and prides herself on providing a personalized eye care experience tailored to each individual patient’s needs. She and the Northline team are up-to-date on the latest optometric technologies including Opto-map imaging, OCT retinal scanning, digital device lenses, computer progressive options, and blue light protection. Their goal is to ensure optimal ocular health as well as clear and comfortable vision in our ever evolving world.

Dr. Cruz practices full-scope optometry including glaucoma, diabetic eye disease, and dry eye treatment and management, as well as cataract and LASIK co-management. She also fits soft and hard contact lenses. Dr. Cruz is very passionate about helping people see their best!

Outside of the clinic, she and her husband consider themselves foodies and love exploring all that our amazing city has to offer. She especially loves spending time with their rescue pups, Neutron and Murphy. Her favorite activities include puppy snuggles and trips to the dog park.

Meet Your Northline Optical Team:

Our exceptional, friendly eye care staff in Houston is our greatest asset. They are excited about what they do, and they care personally about getting the best results for our patients. Our receptionists will try to accommodate your busy schedule by finding appointments that suit your needs. We will help you understand your insurance coverage and if financial arrangements are necessary, we will be glad to help you develop a plan to make your vision care treatment possible.


Julio Vallejo

General Manager

Julio has been with the company over 14 years. He knows all of the ins-and-outs of the Northline office. Having great experience in the Optical field, Mr. Vallejo always comes in with a positive attitude and is fluent in Spanish. He is great with patients and has helped entire generations of families. He is always happy to help new and former patients understand their changing, eye-care needs. “I am always looking for different ways to improve the quality of our customer care. If you have any suggestions to help us improve in any area– please let me know!” states Julio. Julio’s career goals are to grow with Texas State Optical as much as possible. His favorite part of the job is taking care of patients and seeing smiles on their faces once they have received their glasses. He likes helping them see the important things in life. Julio makes sure all of his staff understand what they need to achieve each and every day as well as helps them understand everything about the patients and TSO. His proudest accomplishment is his children, seeing them well educated and in a great position in each of their lives. Outside of work, Julio loves to watch sports and spend as much time with his family as possible. Julio’s favorite pastime is going on a summer vacation every year to the beach with his family in Ecuador.


Lucero Perez


Lucero is new to our Management team and provides an excellent amount of enthusiasm and professionalism. Her career plans are to grow with Texas State Optical, gaining the utmost amount of knowledge about the patients and their vision. Ms. Perez hopes to become a General Manger in the near future. Making a difference in people’s life is what makes her job worth coming to. She thoroughly enjoys helping patients better their vision. Lucero’s a fantastic team player. She takes what she has learned and shares it amongst her co-workers, leaving everyone with a great understanding and forming a bond with her team. Lucero gives 110%, providing so much positivity whom is also fluent in both English and Spanish. Spending quality time with her family is what Lucero enjoys most outside of the office. Her favorite pastime consists of big dinners with the whole family. Lucero’s proudest accomplishment is her household family, being a devoted wife and a loving mother. Her favorite quote is given by the one and only Bible:

“Come to me all you who are weary and burdened and I will give you rest.” -Matthew 11:28


Oscar Enriquez


Oscar has a Bachelor’s degree in Biology with a minor in Chemistry from the University of Houston. He plans to continue his education in Optometry and hopes to enroll in the Optometry Program at the University of Houston. Oscar enjoys helping the patients see the important things in life. He is happy whether the patients get glasses or contacts, he wants them to be able to see with no blur, whatsoever. Oscar wants to make sure that each patient gets their glasses with the best quality possible with their exact prescription. Oscar can help assist our TSO friends and family in English or Spanish. A proudest accomplishment of Oscar’s is completing his Bachelor’s degree. “I am the first one in my family to go to college and I just want to make my family proud.” states Oscar. Outside of the office, Oscar likes to draw, take walks, he enjoys strolls through the park, he enjoys taking pictures of nature, acknowledging how vast and beautiful it is and last but not least, Oscar loves to volunteer at animal shelters. Playing the guitar and speaking German are two of Oscar’s driven goals right now, “They aren’t easy to learn, but I won’t give up!”, says Oscar. Oscar’s favorite quote comes from Maya Angelou, who once was an American poet:

“Do the best you can until you know better. Then when you know better, do better.”


Cinthya Z.

Patient Services

Cinthya has such a bright personality who thoroughly enjoys assisting the Doctor to give the patients a smooth and pleasant experience. Cinthya has a positive, fun attitude whom is able to assist our English and Spanish speaking patients, being a fluent English and Spanish speaker herself. She loves learning new and challenging tasks and has a passion in helping the patients with their diverse vision care needs. Cinthya loved spending countless, warm summer days in the country when she was a child. “I would spend those summers with my grandparents” states Cinthya, which now comes to her as a favorite childhood memory. Outside of work, Cinthya likes to travel and is always looking for a new place to visit! She also loves to try different types of foods, always enjoying something new. Edison Arantes, known as Pelé is a retired Brazilian football player whom Cinthya shows an interest in, as he has given her, her favorite quote below:

“Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing or learning to do.”


Nick S.

Optometric Assistant

Nick is attending San Jacinto College, aiming to transfer to the University of Houston to graduate with a Bachelor of Science Degree for Biology. He also plans to enter the school’s Optometry Program! Learning the inner workings of the Optical Industry and using the knowledge he has gained here at Texas State Optical is a career goal to help him achieve becoming an Optometrist. He really likes building rapport with patients and that is something he would like to build on as he grows in the profession. In the future, Nick also hopes to own his own TSO practice. Nick finds the patient interactions invaluable. “You don’t find a workplace where everyone gets along so well with each other.” is something Nick has told us about his experience at Texas State Optical. He likes that the patients continually confuse him for a Doctor, he says it’s a great compliment! He has such a willingness to learn and helps out with the Reception Desk when he can. He loves to play video games or get out with his friends, especially when the cold weather comes in. Nick considers himself a gamer who, of course balances that out with other aspects of his life which include Netflix time, family and friends. Nick states that his proudest accomplishment is who he has turned out to be today.


Cindy G.

Optometric Assistant

Cindy’s goals are to expand her knowledge in the optical industry. Seeing patients light up as they are able to see clearly makes Cindy’s job and position so much more worthwhile. “I really enjoy going to work every day to help patients see better.” states Cindy. She is a team player, avid learner and brings a great drive to work every day. Her proudest accomplishment consists of buying and owning her own car within a year and winning an all-expense paid trip to our nation’s capital. Cindy enjoys long walks down the “make-up” isle, buying or even browsing the make-up isle. She even enjoys applying it! Cindy speaks both English and Spanish fluently. Her favorite quote is by the one and only Albert Einstein:

“Creativity is intelligence having fun.”


Lupe M.

Optometric Assistant

Before Lupe joined Northline’s team, she felt that the warm atmosphere and friendly staff made it an attractive place to work. Lupe is now one of our wonderful additions! Lupe’s career goals are to become more knowledgeable in the Eye Care Field and to get more experience in the Lab to advance with Texas State Optical. Her favorite part about her job is making the patients happy while dispensing their glasses. She enjoys watching the patient’s reactions after their vision has improved from their brand new glasses. Lupe is a great asset to the team, she is always ready and willing to assist! Lupe is both fluent in English and Spanish. Originally from New Mexico, Lupe settled into Houston and has three great, adult children who have presented her with three even better grandchildren to spoil. Her proudest accomplishment is raising her wonderful children as a single mother. She could not be any more proud. Outside of work, Lupe thoroughly enjoys taking her grandbabies shopping, to the movies and the park. Her favorite childhood memory is spending quality time with her grandfather. Serving as the president of Mexico for five terms, between 1858–1872, Benito Juarez has given Lupe a quote that she has favored below:

“El derecho al respeto ajeno es al paz.” meaning “The right to respect of others is peace.”


Ramiro A.

Lab Technician

Ramiro has been a part of the TSO family for many years. He enjoys educating his patients and has helped entire generations of families with their eye care needs. He has accomplished his ABO Certification and went to Optometry School in Mexico. Ramiro speaks both English and Spanish freely. He taught kids how to become Opticians. His career plans are to open an Optical office for his daughter, who wants to be an Optometrist. “Every time I dispense glasses to children and I see the joy on their faces when they can see clearly, it puts so much more value into my job.” states Ramiro. Ramiro has knowledge in Managing, opening and closing, working in the Lab, DAR, ordering lenses and frames and troubleshooting problems. His proudest accomplishment is passing his ABO Certification as well as showing his daughters that they can accomplish many things in life. Outside of work Ramiro enjoys taking on home improvement projects and loves to spoil his two daughters and his wife. Due to his grandmother, Ramiro is a firm believer, if you are not five minutes early, you are late. He believes being on time speaks volumes!


Beatriz R.

Lab Technician

Beatriz attended U of H and her goal is to grow with Texas State Optical. She wants to excel as the Lab Technician and provide eyewear as promised by quality check standards to the patients. Her favorite part about her job is being able to help patients and ensure their eyewear is as accurate to their prescription as assured. “I know the importance of accuracy and sight due to using glasses myself.” states Beatriz. She has at least 9 years of experience in Lab and Quality Control and is very detail oriented, striving for perfection when it comes to working on the patients glasses. Her proudest accomplishment is becoming a part of Texas State Optical and having the opportunity to train and learn all things in the Optical Lab. Outside of work, Beatriz likes to read books, explore Pinterest for recipes, decorate, craft and go on cruises. Beatriz’s husband as well as herself, love cruises so much, they were married on one! Her favorite childhood memory is spending summers at her grandparents’ house where she received endless love and snacks!

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Welcome to Texas State Optical Northline

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4400 North Fwy # 300B
Houston, TX 77022