Meet the Staff

  • Norma Medrano
    Office Manager

    Norma has been a member of Envision Eye Care for almost a decade!  She is dedicated to our mission to provide excellent vision care to all patients, and has thorough understanding of our operation.  From frame styling to insurance benefits, if she does not already know the answer, she will find one out for you.  

  • Esther Rangel
    Receptionist

    In addition to receiving patients, Esther obtains insurance authorization and confirms your appointment.  She performs preliminary tests such as retinal photography, visual field analysis, and OCT (optical coherence tomography) for Dr. Nguyen prior to each examination.  Esther also orders all contact lenses for our office, and teaches contact lens insertion and removal.  

Houston Office

Monday:

Closed

Tuesday:

8:30 am-5:30 pm

Wednesday:

8:30 am-5:30 pm

Thursday:

8:30 am-5:30 pm

Friday:

8:30 am-4:00 pm

Saturday:

9:00 am-2:00 pm

Sunday:

Closed

Testimonial

  • "Loved this practice. I finally has an eye doctor that listened to my eyesight issues. Looking forward to having my eye exams done here yearly from now on. Also the staff is very friendly and knowledgeable. I highly recommend them! Very affordable and worth becoming a patient/customer of theirs."
    Whitney J., Yelp user