Category: Cataract

What is astigmatism?

Astigmatism is a distorted shape of the lens or cornea that contributes to blurred vision.  It is not a disease, it does not cause blindness, and nearly everyone has at least some small amount of astigmatism. For example, take a look at the contact lenses below: The contact on the top is “round” and “spherical”.  This… Read More


Is a cataract a film on the eye?

Cataracts are not a film on the eye. The lens is a structure in the front of the eye that has the shape and structure of a peanut M&M. The lens helps to focus light on the retina to make the clear images we see. The center of the lens is hard like the nut… Read More


Why is my vision worse after cataract surgery?

Why would vision be worse after cataract surgery? When performing cataract surgery ophthalmologists are careful to maintain the health of the cornea.  Since I am a corneal specialist, I pay particular attention to protecting the cornea. Cataract surgery is one of the most successful surgeries performed in the United States.  Some patients who have had… Read More


What is a comprehensive eye exam?

A comprehensive or complete eye exam is a full evaluation of your vision and your eye health. Periodic examinations are important for early diagnosis and treatment of eye and vision problems. Eye exams are important for maintaining good vision and eye health, and when possible, preventing vision loss. Most individuals are often unaware that problems… Read More


Reasons to Choose Dr. Vital to be your Houston Eye Doctor

If you live in Houston and are seeking a new eye doctor or surgeon, you may feel overwhelmed by the number of options out there. So, why choose Dr. Mark C. Vital to care for your vision? Here are quotes from several patients who chose Dr. Vital: “Our family is very grateful to Dr. Mark… Read More


Dr. Vital, what are your qualifications?

Patients may be shy about it but often want to ask, “Dr. Vital, tell me about your qualifications and experience.” I completed 13 years of education beyond high school which included 4 years of college at Rice University in Houston, 4 years of medical school at University of Texas Southwestern in Dallas, 1 year of… Read More


What is the wait time for an eye exam?

When I go to the doctor, I also want to know, “What is the wait time?” I feel it is important that same day appointments are available for eye emergencies. We know that you did not plan to have an eye problem. We also understand how frightening and urgent a sudden eye problem can be…. Read More


Are premium lenses necessary for cataract surgery?

Premium lenses are not a necessary requirement for cataract surgery.  However, most patients will have a intraocular lens (IOL) placed inside the eye at the time of cataract surgery.  It is easy for patients and doctors to get caught up in “the next new thing”.  However, the quality of the standard monofocal intraocular lenses covered… Read More


Zepto for Cataract Surgery in Houston

Zepto for cataract surgery is a fantastic option for premium, toric intraocular lenses and complex cases.  Cataract surgery is like removing the chocolate (the cataract) from an green M&M candy and leaving the green candy coating behind.  The new artificial lens is then placed inside the green candy coating shell.  Eye doctors call that green… Read More


My Online Clinic: Houston Eye Associates / Dr. Vital

Understanding Our Patient Portal: My Online Clinic My Online Clinic My Online Clinic allows our office to communicate with you securely. The best way to create an account is to respond to the email we send you after an appointment which contains a link that takes you to the patient portal. You can also visit… Read More