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Dr. Stephanie Woo

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United States
Las Vegas, NV
Dr. Stephanie Woo

Helping specialty contact lens patients achieve the clearest vision possible. Helping other eye doctors take their business to the next level!

12/08/2025

Posterior synechiae is something I see very commonly in patients who have inflammation in their eye (called iritis).

When the fluid in the eye becomes inflamed, it can also become sticky.

What happens now is the iris (the colored part of the eye) can start to stick to the front surface of the lens. As the pupil dilates and the iris starts to pull away from the stuck part on the lens, small fragments of the iris can be left behind like in this photo.

If iritis or inflammation in the eye is present, your doctor will usually put in a dilating eye drop. This is to dilate your eye and pull the iris away from the front of the lens so that it can’t get stuck.

I usually use atropine or homatropine, but to get the patient started, I will use cyclopentolate 1% because this is what I have in the office. Then they can pick up their Rx for the longer lasting eye drop.

If you’ve ever had an inflamed eye and wondered why your doctor dilated your eye, now you know!

12/03/2025

New research from the DREAM study reveals that collarettes are more common in patients with moderate-to-severe dry eye disease — but they often do not worsen over time. While eyes with collarettes showed more severe dry eye signs, these findings did not correlate with increased symptoms.

The study also found unexpected trends, including better tear osmolarity with higher collarette severity. More research is needed to understand why certain demographics, including patients with rosacea, are more likely to present with collarettes.

12/01/2025

"Safe Toys and Gifts Month" is observed every December to promote child safety during holiday celebrations, with a major focus on preventing eye injuries.

Key safety tips for toy selection and playtime:

❌ Avoid toys with projectiles, sharp edges, or small detachable parts.
✅ Choose toys labeled "non-toxic" and bearing the "ASTM" safety seal.
✅ Always ensure toys are age-appropriate and supervise children's playtime.
✅ Include and use appropriate safety gear, like helmets, with sports equipment.

For safe celebrations:

✅ Be cautious with champagne corks and keep children away from all fireworks.
✅ Ensure only adults handle batteries and safely discard all packaging.

Prioritize safety to keep the holidays happy and injury-free!

11/28/2025

Blurred vision without glasses? Totally normal. Blurred vision with glasses? Now we need to talk. 🤪

11/24/2025

Often times, corneal transplants are thought to "cure all of my problems."

I can't tell you how many times patients have come to my office who have a diseased eye that just want a corneal transplant. There is a misconception that a corneal transplant will get rid of everything on the front of your eye and make it brand new again.

Nothing could be farther from the truth.

The main goal of almost all optometrists and ophthalmologists is to do everything in their power to prevent you from needing a corneal transplant. For instance, if you have a condition called keratoconus, we recommend a procedure called corneal crosslinking, which stabilizes the cornea and prevents it from progressing. This helps to prevent corneal transplants in the future.

For patients who have had eye surgeries such as LASIK, PRK, Radial Keratotomy (RK), and other corneal surgeries, you might suffer from blurry and distorted vision, even with the best glasses. This is likely due to the corneal shape becoming irregular, secondary to the surgery you had.

The best option for patients with these types of issues is usually a scleral contact lens, hybrid contact lens, or gas permeable contact lens.

These lenses have a layer of liquid which fills in the irregular surface of your eye, creating a smooth surface for light to pass through. The end result is much clearer vision with less distortion. Something that patients don't understand about corneal transplants is that if you get a transplant, you will likely STILL need a specialty designed contact lens to see clearly. This is because corneal transplants have irregular surfaces, too.

So the end result of a transplant is usually blurry and distorted vision. To fix this, a specialty contact lens will need to be fit to the eye to restore the vision.

11/19/2025

We were kindly referred a patient with high myopia (about -9.00 in each eye) for a contact lens fitting to help improve her vision and stability.
Per the patient, she had successfully worn corneal gas permeable lenses for 40 years, however, over the past few years, she has had more and more issues with the lens stabilizing on her eyes. Based on her topographies, she does have regular astigmatism.

The left eye has more than 2.00 D of corneal astigmatism, so a bitoric corneal gas permeable lens should be considered.

Her main complaints are vision instability and also discomfort with excessive lens movement. Her scleral topography in both eyes showed excessive scleral toricity at over 300um. The diagnostic scleral lenses only went up to 300um, so we had to use the highest ones in the fitting set.

We tried a scleral lens on both eyes today, to see if she liked the comfort and vision.
The right Diagnostic lens had 300um of scleral toricity and the left lens only had 200um of scleral toricity. You can see that the lens moves a lot more in the left eye, therefore, we should order her lens with increase toricity.

She is able to achieve 20/15 vision in each eye with an over-refraction, and she was very happy with the comfort and stability of the lenses.
She was also taking about -1.25 D of cylinder in the left eye, likely due to internal astigmatism from the crystalline lens. We will add an F1 toric to the left lens to account for this. Although the patient would probably do well with a corneal gas permeable lens for each eye, I think the comfort and vision will be excellent in custom scleral lenses. Also, the left eye fit and prescription in a corneal gas permeable lens will be a bit challenging to perfect, and if the lens rotates at all, she will experience blurry vision.

I decided to avoid these potential issues and move on to a scleral design.

11/17/2025

Scleral lenses aren’t just for vision correction — they’re a powerful medical tool. From severe dry eye to Stevens-Johnson syndrome and post-injury recovery, these lenses protect, hydrate, and support healing when the eyes need it most.

➡️ Swipe to read more!

11/14/2025

After years of running three full-scope practices, I made the decision to sell them all and pursue a vision that challenged everything I thought I knew about optometry — a specialty-only clinic focused on custom contact lenses, concierge-level care, and truly life-changing patient outcomes.

This week on Power Hour, I sit down with host Eugene Shatsman to share how I built a referral network of over 100 doctors, created a high-revenue, low-overhead business model, and how I continue to give back through Woo University, the nonprofit I founded to provide free, high-quality CE to thousands of optometrists worldwide.

Visit https://powerpractice.com/power-hour/specialty-practice/
https://www.youtube.com/watch?v=yUnQHg5EfAI&feature=youtu.be

11/12/2025

Dry eye syndrome is more than just an annoying irritation – it’s a common condition that can seriously affect your eye health and quality of life. Many people brush it off, but leaving it untreated can lead to serious complications, and in some cases, even permanent vision damage.

Dry eye happens when your eyes don’t produce enough tears or when they evaporate too quickly.

➡ Swipe to discover the hidden dangers of untreated dry eye and how to protect your eyes!

11/10/2025

Our particular patient had a full thickness corneal transplant (PKP) in his right eye. He also has an Ahmed valve superior temporal.

We fit him into a custom scleral lens.
At insertion, you can see the central clearance is acceptable around 200um, and the corneal thickness/pachymetry is measure upon insertion. Next, the images show that after 4 hours of wear, there is ZERO central clearance, and the cornea has swelled.

This is likely due to a compromised endothelium from the corneal transplant.

Our plan is to add in fenestrations into the scleral lens to gain more oxygen to the cornea. If that does not work, we will design a custom gas permeable lens for him.

Address

9260 West Sunset Road, Suite 209
Las Vegas, NV
89148

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 5pm

Website

http://www.drstephaniewoo.com/

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