Rigid vs. Soft Lenses: Is Scleral Specialty Contact Lens Fitting Right for Your Astigmatism in Round Rock?

Astigmatism does not automatically mean you cannot wear contact lenses. Many patients do well with soft toric contacts, while others need a more customized lens when their corneal shape makes standard contacts unstable or their vision remains inconsistent.
 

At Texas State Optical Round Rock, we offer standard and specialty contact lens fittings, including scleral lenses. Understanding the differences between soft and rigid lens designs can help determine which option may provide the clearest and most comfortable vision for your astigmatism.
 

How Astigmatism Affects Contact Lens Vision

Astigmatism occurs when the cornea or lens has an uneven curvature. Instead of focusing light evenly, the eye can produce blurred or distorted vision at multiple distances.
 

Regular astigmatism can often be corrected successfully with glasses or soft toric contact lenses. More irregular corneal shapes, including those associated with keratoconus, corneal scarring, or previous eye surgery, can make conventional lenses more challenging to fit.
 

That is where specialty contact lenses may become useful.
 

When Soft Toric Contacts Work Well

Soft toric lenses are specifically designed to correct astigmatism while maintaining the flexibility and comfort associated with standard soft contacts.
 

They are available in many prescriptions and replacement schedules, making them an excellent option for many Round Rock patients.
 

Soft lenses may be appropriate when:
 

• Your astigmatism is relatively regular
• The lens remains stable when you blink
• Your vision stays consistently clear
• Your eyes remain comfortable throughout the day
• Your prescription falls within available lens parameters

If the lens rotates excessively on the eye, however, vision can fluctuate because the astigmatism correction moves out of alignment.
 

How Rigid Lenses Correct Astigmatism Differently

Rigid gas permeable lenses maintain their shape instead of conforming closely to the cornea.
 

The tear layer between the rigid lens and the cornea can help create a smoother optical surface, which may provide sharper vision for certain types of astigmatism.
 

Some patients need a short adaptation period because rigid lenses feel different from soft contacts. The best design depends on corneal shape, prescription, tear film, and individual comfort.
 

What Makes Scleral Lenses Different?

Scleral lenses are a specialized type of rigid gas permeable contact lens. They are larger than traditional RGP lenses and rest on the white part of the eye, called the sclera.
 

Instead of sitting directly on the cornea, they vault over it and hold a reservoir of sterile saline between the lens and the eye.
 

This design can offer several advantages for patients with irregular corneas. The fluid reservoir and rigid optical surface can help neutralize irregularities that glasses or soft contacts may not fully correct.
 

Because scleral lenses are customized, fitting them requires detailed measurements and follow-up visits.
 

Does Every Astigmatism Patient Need Scleral Lenses?

No. Most people with uncomplicated astigmatism do not automatically need scleral lenses.
 

Soft toric contacts may provide excellent vision and comfort for regular astigmatism. Scleral lenses are more often considered when conventional lenses do not provide stable vision, the corneal surface is irregular, or another eye condition makes standard contacts difficult to wear.
 

Texas State Optical Round Rock also offers other specialty designs, including hybrid and post-surgical contact lenses, giving your optometrist additional options when a standard lens is not the right fit.
 

What Happens During a Specialty Contact Lens Fitting?

A specialty fitting involves more than determining your contact lens prescription.
 

Your Round Rock optometrist evaluates the cornea, tear film, prescription, and overall eye health before selecting an appropriate lens. Diagnostic lenses may be placed on the eyes so the doctor can assess vision, movement, positioning, and comfort.
 

Scleral lens fittings may require multiple visits as the design is refined. Follow-up care also helps ensure the lenses continue fitting safely once you begin wearing them regularly.
 

If astigmatism has made standard contacts uncomfortable or your vision continues to fluctuate, schedule a specialty contact lens evaluation with Texas State Optical Round Rock at 1150 North I-35, Suite 500, Round Rock, TX 78681, or call (512) 828-5500 to find out whether scleral or another specialty contact lens design may be right for your eyes.