Category: Cataract

Top 5 Questions About The RxSight Light Adjustable Lens (LAL) Available With Dr. Vital in Houston

Dr. Vital of Houston Eye Associates answers the top five questions on the Light Adjustable Lens (LAL) by RxSight. 1. What is a light adjusting lens? The Light Adjustable Lens is a revolutionary way of correcting vision with cataract surgery.  Most intraocular lenses (IOLs) that are placed during cataract surgery are “fixed”.  They have a… Read More


What is a light adjustable lens?

The Light Adjustable Lens by RxSight is an extremely exciting advancement in cataract surgery! Imaging standing on the tee box of par five hole at The River Oaks Country Club and hitting the ball within 1 foot of the hole; an amazing shot for sure!  That precision is similar to the precision of most cataract… Read More


What is the best treatment for corneal swelling after cataract surgery?

The best treatment for corneal swelling after cataract surgery is often DMEK. Corneal swelling after cataract surgery can happen even with an excellent surgeon and uneventful cataract surgery. Removing a cataract causes stress on the innermost cells of the cornea (the endothelium) no matter how careful and fast the surgery was performed. Some patients are… Read More


Why can’t I see up close anymore?

Not being able to see well up close is a condition called presbyopia. As we age, the lens of the eye that helps to focus light loses its ability to change shape quickly. This happens over time and gets worse as we get older.   Most people start to experience problems with seeing up close around age 40.  This… Read More


Fuchs’ Dystrophy and Cataracts: what you need to know

Dr. Mark Vital discusses Fuchs’ Dystrophy and cataracts, and what happens when both are present in the eye at the same time. When this happens, Dr. Vital is able to surgically treat both conditions using cataract surgery and a procedure called DMEK. Learn more by watching the video below:


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


Can you explain my eye tests? More than just reading letters.

There are many types of eye tests to detect problems.  Ophthalmologists have to find the problems before we can know what treatments will work best. Cornea Tests Photos:  used to document the appearance, size, and location of eye structures in the front of the eye. Corneal Topography:  used to map the clarity, shape, curves, and… 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