5 Types of Contact Lenses for ‘Hard-to-Fit’ Patients
What Makes a Patient 'Hard-to-Fit' for Contact Lenses
Astigmatism occurs when your cornea has different curvature in different meridians, which causes blurred or distorted vision at all distances. Regular astigmatism follows a predictable pattern, while irregular astigmatism involves unpredictable variations across the corneal surface. Standard contact lenses may rotate on your eye or fail to correct your vision properly.
If you have moderate to high astigmatism, our eye doctor will measure the curvature of your cornea in multiple directions. Soft toric lenses typically address regular astigmatism, while irregular astigmatism often benefits from rigid gas-permeable, hybrid, or scleral lens designs that create a uniform optical surface.
Keratoconus is a progressive condition in which the cornea thins and bulges into a cone shape. This irregular surface cannot be corrected well with glasses or standard soft contact lenses.
- Corneal scarring from injury or infection
- Pellucid marginal degeneration
- Corneal ectasia after refractive surgery
- Terrien marginal degeneration
Dry eye syndrome means your eyes do not produce enough tears or your tears evaporate too quickly. Contact lenses can worsen dryness by absorbing moisture from your tear film.
We evaluate your tear production and quality before recommending lenses. Treatment approaches may include daily disposable lenses, silicone hydrogel or water-gradient materials with surface treatments, and addressing underlying causes such as meibomian gland dysfunction or blepharitis. Scleral lenses may help patients with severe or refractory ocular surface disease by providing a fluid reservoir, though ongoing dry eye management remains important.
Eyes that have undergone refractive surgery such as LASIK or radial keratotomy, corneal transplant, corneal cross-linking, or procedures involving intracorneal ring segments often have altered corneal shapes that make fitting standard lenses difficult. After cataract surgery, contact lenses may be needed to address residual refractive error or irregular astigmatism from incisions. Post-trauma corneal irregularity can also present fitting challenges. Your corneal surface may be flatter, steeper, or more irregular than before surgery.
Our eye doctor uses advanced imaging to map your post-surgical cornea. We design custom lenses that accommodate the unique topography and any residual refractive error you may still have.
Presbyopia is the natural age-related loss of near focusing ability that typically begins after age 40. When you also have astigmatism, dry eye, or irregular corneas, correcting both distance and near vision with contact lenses becomes more complex.
- Multifocal designs may need customization
- Monovision approaches require careful balancing
- Modified monovision may combine different lens types
Giant papillary conjunctivitis appears as bumps on the inside of your upper eyelid, caused by a combination of mechanical irritation, lens deposits, solution sensitivity, and individual immune factors. Allergic reactions to lens materials or solutions can also make wearing standard lenses uncomfortable or impossible.
We look for signs of inflammation during your exam and assess the underlying causes. Management is individualized and may include several approaches.
- Increasing replacement frequency or switching to daily disposable lenses
- Enhanced deposit control with specific cleaning solutions
- Changing to preservative-free lens care products
- Temporary discontinuation of lens wear to allow healing
- Treating underlying allergic conditions
- Adjusting lens fit or material to reduce mechanical irritation
5 Types of Contact Lenses for Hard-to-Fit Eyes
Rigid gas-permeable lenses are firm lenses that hold their shape on your eye while allowing oxygen to pass through the material. They mask corneal irregularity by creating a smooth refracting surface with the tear film beneath the lens, which fills in variations in corneal shape.
- Provide sharper vision for astigmatism and irregular corneas
- Smaller diameter than soft lenses
- Require an adaptation period for comfort
- Durable and long-lasting with proper care
Scleral lenses are large-diameter rigid lenses that vault completely over your cornea and rest on the white part of your eye called the sclera. A reservoir of saline solution sits between the lens and your cornea, providing optical correction and prolonged comfort for many patients, though some may need midday removal and refilling if fogging or discomfort occurs.
These lenses are especially helpful for keratoconus, severe dry eye, corneal transplants, and other irregular corneas. We fill the bowl of the lens with preservative-free saline before you insert it, creating a fluid environment that supports your corneal health and vision.
Hybrid lenses combine a rigid gas-permeable center with a soft outer skirt. The rigid center provides clear optics for irregular corneas, while the soft edge improves comfort and lens stability.
We may recommend hybrid lenses if you need the visual quality of a rigid lens but find traditional RGP lenses uncomfortable. The design reduces lens awareness and makes the lenses easier to keep centered on your eye during activities.
Custom soft toric lenses are made specifically for your eye measurements, with precise axis and power combinations not available in standard toric lenses. They correct astigmatism by incorporating different powers in different meridians of the lens.
- Available in extended parameter ranges for high astigmatism
- Manufactured in custom base curves and diameters
- Often stabilized with prism ballast or design features
Multifocal and bifocal specialty lenses incorporate multiple prescriptions within a single lens to correct presbyopia. Specialty versions are available in rigid, soft, hybrid, and scleral designs for patients who also have astigmatism or irregular corneas.
We work with you to determine whether a center-near or center-distance design will provide the best vision for your lifestyle. Some patients benefit from a customized blended approach using different designs in each eye.
What to Expect During Your Specialty Contact Lens Fitting
We use corneal topography to create a detailed map of your corneal surface, measuring thousands of points to reveal the exact shape and curvature. This technology shows us irregularities, steep areas, and flat zones that standard measurements would miss.
Optical coherence tomography may also be used to measure corneal thickness and examine the health of your ocular surface. These measurements guide us in selecting the best lens design and parameters for your unique eye anatomy.
After analyzing your measurements, we place diagnostic lenses on your eyes to evaluate the fit and your vision. We assess lens movement, centration, and comfort while you wear the trial lenses for several minutes.
- Initial comfort may vary as your eyes adjust
- We may try multiple lenses during one visit
- Digital imaging documents the lens-to-eye relationship
- You may take trial lenses home for an extended evaluation
Most specialty lens fittings require refinements based on how the lenses perform in your daily environment. We ask you to wear the initial lenses for a specified period and return so we can check the fit and vision under real-world conditions.
Small changes to the lens diameter, curvature, or power can make a significant difference in comfort and visual clarity. We continue adjusting until you achieve the best possible combination of fit, vision, and all-day wearability.
The complete fitting process for specialty contact lenses typically takes two to four appointments spread over several weeks. Your first visit includes the comprehensive eye exam, measurements, and initial trial lens fitting.
Follow-up visits allow us to evaluate how the lenses settle on your eyes and make necessary modifications. Complex cases or highly irregular corneas may require additional visits to achieve optimal results.
Caring for and Maintaining Your Specialty Contact Lenses
Proper hygiene and avoiding water exposure are essential to prevent serious eye infections and complications from contact lens wear.
- Always wash your hands with soap and water and dry them with a lint-free towel before handling your lenses
- Never use saliva, tap water, or any non-sterile fluid on your lenses or lens case
- Avoid wearing lenses while swimming, showering, or using hot tubs unless you wear airtight goggles and remove and disinfect lenses immediately afterward
- Do not top off or reuse solution in your lens case; discard all solution after each use and refill with fresh disinfecting solution
- Replace your lens case every one to three months or as directed, and allow it to air dry completely while you wear your lenses
- If your lenses accidentally contact tap water or other non-sterile water, remove them promptly and follow our office guidance for disinfection or replacement
Clean your rigid or hybrid lenses immediately after removal by placing a few drops of the recommended cleaner on each side and gently rubbing with your fingertip. Rinse thoroughly with the appropriate sterile rinsing solution for your lens type, then place the lenses in fresh disinfecting solution overnight using the system prescribed by our eye doctor.
- Use only solutions approved for your specific lens type
- Replace solution in your lens case every time
- Never rinse lenses with tap water
- Allow your lens case to air dry during the day
- Sterile saline is for rinsing or filling scleral lenses only and does not disinfect
- Disinfection requires the prescribed disinfecting solution or system such as multipurpose solution or hydrogen peroxide systems
- Follow all manufacturer instructions and our office recommendations for your specific lens care regimen
Soft and custom toric lenses can usually be placed directly on your eye using your fingertip after ensuring the lens is not inside out. Rigid lenses work best when placed on a moistened finger and positioned while looking straight ahead.
Scleral lenses require a different approach because of their size. We teach you to fill the lens bowl with preservative-free saline using a small plunger, then insert the lens while leaning over a mirror on a flat surface to prevent spillage.
Special considerations for scleral lens insertion and safe wear include the following steps and precautions.
- Use only preservative-free sterile saline to fill the lens bowl before insertion
- Do not use contact lens multipurpose solution or tap water to fill the bowl unless specifically directed by our eye doctor
- Check for and eliminate air bubbles during insertion, as bubbles can reduce comfort and vision
- If you experience fogging, blurred vision, or discomfort during the day, remove the lens, rinse and refill it, and reinsert
- Stop wearing your lenses immediately and contact our office if you develop pain, redness, or light sensitivity
Custom soft specialty lenses may be daily disposable, two-week, or monthly replacement depending on the brand and your needs. Rigid gas-permeable and scleral lenses typically last one to three years with proper care and handling, though individual duration depends on lens condition and any changes in your prescription or eye shape.
Order replacement lenses before your current pair wears out, especially if your lenses are custom-made and require manufacturing time. We recommend keeping a backup pair on hand in case of loss or damage to your primary lenses.
We schedule follow-up visits at regular intervals to monitor your eye health and ensure your lenses continue to fit properly. Initial check-ups occur more frequently, then transition to annual or semi-annual visits once your fit stabilizes.
- Corneal health assessment with microscope examination
- Lens condition and deposit evaluation
- Vision and prescription verification
- Fit evaluation and adjustment if needed
- Discussion of any comfort or vision concerns
Warning Signs Your Contact Lenses Need Adjustment
Blurry vision that does not clear with blinking, fluctuating vision throughout the day, or halos around lights can indicate that your lenses are not fitting properly or your prescription has changed. Excessive lens movement or a lens that feels like it is sliding off-center may also compromise your vision quality.
Contact our office if you notice any persistent vision changes so we can evaluate whether your lenses need modification or replacement. Do not attempt to adjust your wearing schedule or lens care routine without guidance from our eye doctor.
Mild awareness of your lenses may be normal during the adaptation period, but sharp pain, burning, or persistent discomfort are not. Redness that does not resolve shortly after lens removal, excessive tearing, or light sensitivity warrant immediate attention.
- Remove your lenses right away if pain develops
- Do not resume wear until evaluated by our eye doctor
- Bring your lenses and solutions to your appointment
Contact us immediately or seek emergency eye care if you experience sudden vision loss, severe eye pain, or intense light sensitivity while wearing contact lenses. A scratched cornea, infection, or inflammatory condition requires prompt diagnosis and treatment to prevent complications.
Other urgent situations include a foreign body sensation that does not resolve after lens removal, discharge from the eye, or a white spot on your cornea. Do not patch your eye if it is painful or red after contact lens wear. Bring your lenses, lens case, and all solutions to your appointment so we can evaluate every factor. Never sleep in lenses not approved for overnight wear, as this significantly increases your risk of serious infection.
Risks and When Contact Lenses May Not Be Appropriate
While specialty contact lenses offer significant benefits for hard-to-fit eyes, all contact lens wear carries some level of risk. Understanding these risks and recognizing when contact lenses should be delayed or avoided helps protect your eye health and vision.
Common risks associated with contact lens wear include corneal abrasion, microbial keratitis and other infections, inflammatory events such as contact lens acute red eye, corneal hypoxia and neovascularization from inadequate oxygen, and solution toxicity or sensitivity reactions. Your individual risk depends on lens type, wearing schedule, hygiene practices, and your underlying eye health.
- Active eye infection or significant inflammation must be treated and resolved before starting or resuming contact lens wear
- Uncontrolled dry eye or severe ocular surface disease may need medical management before lenses can be fit safely
- Inability to perform proper lens hygiene due to physical limitations, cognitive issues, or lifestyle factors can make contact lens wear unsafe
- Severe exposure keratopathy or incomplete eyelid closure requires evaluation and management before considering contact lenses
- Persistent pain, redness, or light sensitivity warrants immediate lens discontinuation and examination
- Some patients achieve better outcomes with optimized glasses, surgical intervention, or other treatments and may not require contact lenses
Frequently Asked Questions
Specialty contact lenses typically cost more than standard lenses because they require advanced technology to design and manufacture, along with additional professional time for the complex fitting process. The investment often provides vision quality and comfort that glasses or standard lenses cannot achieve for hard-to-fit eyes.
Most specialty contact lenses are designed for daily wear and should be removed each night to allow your corneas to receive oxygen and recover from lens wear. Orthokeratology uses specific FDA-cleared rigid lens designs worn overnight to reshape the cornea temporarily and requires careful prescription and monitoring by our eye doctor. Do not sleep in any contact lenses unless you have been explicitly prescribed lenses approved for overnight wear, as sleeping in lenses without approval significantly increases your risk of serious complications.
Rigid gas-permeable and scleral lenses generally last one to three years depending on how well you care for them and whether your prescription or eye shape changes. Custom soft lenses follow daily, biweekly, or monthly replacement schedules similar to standard soft lenses, though the exact timeline depends on the specific product.
Coverage for specialty contact lenses varies widely among insurance plans, with some covering a portion of medically necessary lenses for conditions like keratoconus or post-surgical irregular corneas. Our office can verify your benefits and help you understand your out-of-pocket costs before ordering lenses.
You can alternate between glasses and specialty contact lenses as long as you have current prescriptions for both. Some patients wear their specialty lenses during activities or work hours and switch to glasses in the evening, while others prefer full-time contact lens wear for convenience and peripheral vision.
Advances in specialty lens designs mean that many people previously told they could not wear contacts are now excellent candidates for custom lenses. A comprehensive evaluation with corneal mapping can reveal options you may not have known existed, especially if your previous assessment occurred several years ago.
Next Steps
If you have struggled with contact lens wear or have been told that lenses are not an option for your eyes, we encourage you to schedule a specialty contact lens consultation. Our eye doctor can evaluate your unique vision needs and eye health, explain which specialty lens options may work for you, and guide you through the fitting process to help you achieve comfortable, clear vision.