Learning how to insert and remove scleral lenses requires clean preparation, steady eyelid control, a full lens bowl, and a gentle technique that breaks the seal before removal. Use prescribed supplies over a padded surface, and never force a suctioned lens.
Scleral lenses are larger than soft contacts and are applied while filled with sterile, preservative-free solution. Eye shape, lens design, dexterity, and vision influence the safest technique, so hands-on instruction is essential.
Gather the right tools before you begin
Use a clean, well-lit workspace. Put a lint-free towel over the counter or close the sink drain so a dropped lens is less likely to be damaged or lost. Your supplies may include:
- Your cleaned and disinfected right and left scleral lenses
- The sterile, preservative-free filling solution your prescriber approved
- A large application plunger, lens stand, or clean three-finger support
- A small removal plunger if that is part of your prescribed technique
- The cleaning, disinfecting, and storage system approved for your lens material
- A mirror, good lighting, and any accessibility aid used during training
Inspect plungers and cases for damage. Filling saline, cleaner, storage solution, and hydrogen peroxide systems perform different jobs and are not interchangeable.
Wash and dry your hands carefully
Wash with a non-moisturizing soap, rinse completely, and dry with a clean lint-free towel. Lotion, fragrance, makeup, and fibers can transfer to a scleral lens, interfere with surface wetting, or irritate the eye. Keep fingernails away from the lens and ocular surface.
Never use tap water, bottled water, distilled water, saliva, or homemade saline on a lens or in its bowl. Water can carry organisms that cause serious infection, and homemade mixtures are not reliably sterile or correctly balanced. Use fresh products exactly as their labels and your lens prescriber direct.
Confirm the lens is clean, intact, and for the correct eye
Before application, inspect the scleral lens against a light background. Look for chips, cracks, stubborn deposits, or cloudiness. Confirm which lens belongs on each eye using the identification system taught by your practice; a tint or engraved dot is not universal. Do not wear a damaged lens.
Complete every required rinse or neutralization step. Never place non-neutralized hydrogen peroxide in the eye, and ask the prescribing office before substituting a product.
How to insert and remove scleral lenses safely
For application, place the lens securely on the approved applicator or finger support. Fill the bowl completely with the prescribed sterile, preservative-free solution so the fluid forms a slight dome. Underfilling makes it easier to trap air.
- Lean forward until your face is parallel to the floor. Keep your chin tucked rather than lifting it toward the mirror.
- Use one hand, or both hands as trained, to hold the upper and lower lids open beyond the full diameter of the lens. Hold at the lash line so the lids cannot push the lens away.
- Keep both eyes open if that helps control blinking. Look steadily through the center opening of the applicator or at the fixation target.
- Bring the filled lens straight toward the eye. Avoid tilting it or pausing long enough for fluid to spill.
- Allow the lens to meet the eye gently, release it from the applicator, and withdraw the applicator before slowly releasing the eyelids.
Some people use a three-finger tripod; others need a stand or adaptive device. Use only a method demonstrated for your eyes and lenses.
Check the lens immediately after application
Look in a mirror and assess vision and comfort before moving on. A correctly applied lens should contain a continuous fluid reservoir. An air bubble may appear as a dark or bright crescent, a round void, or a localized blurry area. If you see a bubble, or the lens causes sharp discomfort, remove it, follow the prescribed cleaning or rinsing step, refill it with fresh solution, and reapply it.
Do not push a bubble out while the lens remains on the eye. A bubble that repeatedly returns in one place may indicate a fitting issue. The guide to scleral lens fogging explains why later clouding differs from an application bubble.
Remove a scleral lens by breaking the seal
Wash and dry your hands again. Work over a clean towel, and make sure the small removal plunger is clean and in good condition. If the lens surface or eye feels dry, use a compatible preservative-free lubricating drop approved by your prescriber, blink, and allow it time to spread.
- Look straight ahead or in the direction taught during training and open the lids widely.
- Moisten the removal tool with approved sterile solution if instructed.
- Touch the tool to the lower third or lower edge of the lens, not the center.
- Gently tilt or lift the lower lens edge to let air enter and release the seal.
- Guide the lens away from the eye without yanking. Hold it over the padded surface before releasing it from the tool.
A center-placed plunger can increase suction. Use finger-only removal only after individual instruction; a rigid scleral lens is not pinched off like a soft contact.
What to do when the lens feels stuck or suctioned
Stop pulling. Never force a suctioned scleral lens. Rewet the eye with the approved drop, relax the lids, and repeat the seal-breaking technique your clinician demonstrated. Confirm that the removal plunger is on the peripheral portion rather than the center.
If several gentle attempts do not release the lens, or if pain, marked redness, or swelling develops, call your lens prescriber or a nearby eye-care professional for help. Continuing increasingly forceful attempts can injure conjunctival or corneal tissue. The fit itself may need review if removal is repeatedly difficult; see why custom scleral lens fitting includes assessment after the lens has settled.
Common insertion mistakes and practical corrections
- Fluid spills before contact: keep the face level with the floor, fill the bowl fully, and approach the eye in a straight line.
- A lid catches the edge: secure both lids beyond the lens diameter and do not release them until the applicator is clear.
- The gaze drifts: use the applicator opening, a mirror target, or an approved lighted aid for fixation.
- The lens stings immediately: remove it and verify that the correct filling solution was used and no cleaner remains.
- Attempts become less clean: pause, wash and dry again as needed, and use fresh solution rather than continuing with contaminated tools or fluid.
Vision, tremor, arthritis, lid anatomy, and anxiety can affect handling. A follow-up teaching visit may identify a better applicator or hand position.
Common removal mistakes to avoid
Do not use a large application plunger as though it were a removal tool unless your clinician explicitly taught that method. Do not place a small suction cup over the center, drag it across the eye, dig under the lens with a fingernail, or continue when the eye is painful. Avoid removing a dry-feeling lens without first using the approved lubrication step.
Significant or persistent redness, recurrent suction, blanching, or soreness deserves a fit assessment, especially in eyes treated for severe dry eye.
Clean, disinfect, and store the lens after removal
Follow the care system selected for your lens material and any surface coating. Filling saline does not disinfect a lens. After removal, clean both lens surfaces as directed, rinse only with an approved sterile product, and complete the full disinfection cycle using fresh solution. Never top off old solution.
Use a peroxide system only with its required case and full neutralization time. Follow coating-specific storage directions. The scleral lens FAQ can help organize follow-up questions.
When to stop lens wear and seek same-day eye care
Remove the scleral lens and seek same-day professional advice for increasing pain, significant redness, light sensitivity, discharge, a new white spot on the cornea, sudden reduction in vision, or vision that does not recover after a clean reapplication. Do not repeatedly reinsert the lens to test the eye. If symptoms are severe, rapidly worsening, follow an injury or chemical exposure, or your regular office is unavailable, use urgent eye care or an emergency service.
These are not normal learning symptoms. Infection, injury, inflammation, toxicity, or swelling requires examination. Patients wearing scleral lenses for keratoconus still need routine follow-up.
Frequently asked questions
Are scleral lenses hard to put in?
They can be challenging initially because the bowl must stay full and both lids must clear a large lens. Many people improve with supervised practice and a consistent setup. Ask for another training session if repeated attempts remain difficult.
Can I remove a scleral lens without a plunger?
Some people can use an eyelid-based technique, but it should be taught for the individual lens and eye. Do not improvise with fingernails or household tools. Keep the recommended removal device available when away from home.
Why will my scleral lens not come out?
Dryness, a tight fit, placement of the removal tool at the center, or failure to break the edge seal may contribute. Stop forceful pulling, use the approved lubrication and peripheral release method, and seek professional assistance if gentle attempts fail.
Should I reapply a lens after an unsuccessful attempt?
Only after maintaining hygiene and following the prescribed cleaning or rinsing step. Refill with fresh approved solution. If the eye becomes irritated or vision remains abnormal, stop rather than repeating applications.
Build confidence with supervised training
A handling routine should fit the patient as carefully as the lens does. Bring your lenses, plungers, solutions, and any stand or light to follow-up visits so the clinician can watch the complete process. Eye Freedom can assess whether a technique problem, product issue, ocular-surface condition, or fitting relationship is limiting successful wear. Request a scleral lens consultation to discuss training or a complex-lens evaluation.
This article is for general education only. It is not a diagnosis, emergency plan, or substitute for the instructions supplied with your products and by the professional who examined your eyes and prescribed your scleral lens.
Medical references
- Oregon Health & Science University Casey Eye Institute: Scleral Lens Care Instructions
- Scleral Lens Education Society: Application, Removal, Care, and Troubleshooting Videos
- Scleral Lens Education Society: Lens Handling FAQs
- PubMed: Complications and Fitting Challenges Associated With Scleral Contact Lenses
