About Eye Conditions near Sioux City, IA


Common Eye Conditions

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About Common Eye Conditions

Maintaining optimal eye health means more than having great vision. At Vance Thompson Vision, our experienced ophthalmologists and optometrists are equipped with advanced technology to diagnose and address many eye conditions and diseases. Refractive errors, cataracts, keratoconus, and glaucoma are just a handful of the ocular health issues we can assess and treat. At our South Sioux City, NE office, we provide advanced eye care treatments and a personalized patient experience.

Eye issues can occur as a result of many factors, whether it is genetics, trauma, or injury, in addition to indirect causes, such as allergies or an illness. Whatever the reason, our board-certified doctors are committed to providing thorough, high-quality care to patients throughout the Siouxland area and beyond. If you have experienced vision problems, eye discomfort, or other challenges, contact Vance Thompson Vision to schedule a comprehensive eye exam.

Common Conditions

Reading Vision

Usually, as you approach age 40, your near eyesight tends to gradually worsen. This vision change is called presbyopia, and it impacts the ability to see objects up close. It happens because as we age, certain parts of our eyes simply start to thicken. Nearly everyone, even patients who have had 20/20 eyesight their whole lives, could begin to realize that they have to position labels or other items away from their eyes to see them clearly. Many also notice headaches or eye fatigue from tasks that never gave them issues previously. At Vance Thompson Vision, our doctors can provide effective options to improve your eyesight if you have developed age-related vision problems.


Keratoconus is an eye condition that results when the cornea becomes abnormally thin over time, causing it to bulge forward into a cone-like shape. This abnormality affects your ability to focus your eye correctly, which can lead to vision impairments.


A cataract is a cloudy spot on the eye that occurs when the proteins in your eye lens begin to degrade and bunch together. The cloudiness caused by cataracts progressively gets worse and keeps light from arriving at the retina properly. This fogging of the lens of the eye ultimately causes blurry eyesight, reduced night vision, glare, and problems seeing colors.


Although glaucoma is the second main cause of blindness in the U.S., the disease can typically be prevented. Glaucoma refers to a category of diseases that can deteriorate the optic nerve, which is in control of transmitting visual information to the brain. When left untreated, glaucoma will typically result in permanent blind spots and/or total vision loss. It is nearly always the result of increased intraocular pressure from fluid buildup. Our team can provide advanced glaucoma treatments, including MIGS (minimally invasive glaucoma surgery).

Cornea Issues

The cornea is the clear, outermost layer of the eye. It is possible for the normally round cornea to bulge into a cone shape as a result of chronic eye rubbing or an injury. This can cause blurry or diminished vision. To treat corneal problems, the specialists at Vance Thompson Vision offer corneal cross-linking (CXL), as well as full- and partial-thickness corneal transplants.

More Common Conditions

For more information about common eye conditions, treatments, and procedures, please visit our Conditions Glossary page. For information about a specific treatment, please use the links below.

Laser Correction Cornea Cataracts Glaucoma

Best Candidates

If you have experienced changes to your eyesight, we welcome you to contact our South Sioux City, NE office to schedule a consultation. At your appointment, we will perform a comprehensive eye exam to check your eyes for many different conditions and problems. If needed, our experienced team will determine the best course of treatment and develop a customized plan to improve your vision. At Vance Thompson Vision, we believe all individuals can benefit from regular eye exams to maintain their best vision and eye health.

Schedule Your Appointment

The team at Vance Thompson Vision is proud to provide world-class eye care and a patient experience that is second to none. Our specialists are dedicated to improving the ocular health of our patients to help them maintain their best possible vision and quality of life. We invite you to call our office in South Sioux City, NE to schedule your appointment for a comprehensive eye examination.

*Individual results are not guaranteed and may vary from person to person. Images may contain models.