Comparison
Scleral lenses compared
Side-by-side comparisons with the other lenses and treatments you might be weighing, with where each one fits and where it falls short.
Scleral lenses vs rigid gas permeable (corneal) lenses A corneal rigid gas permeable (RGP) lens is small and sits directly on the cornea. A scleral lens is larger, rests on the white of the eye, and arches over the cornea on a layer of saline. In a randomized trial of people already doing well in corneal RGPs, scleral lenses were rated more comfortable, but vision was about the same and preferences were split. If your RGP is comfortable and you see well, there may be no reason to switch. Updated October 2, 2026 Scleral lenses vs hybrid contact lenses A hybrid lens has a rigid gas permeable center bonded to a soft outer skirt, and it rests on the cornea. A scleral lens is entirely rigid, larger, and rests on the white of the eye without touching the cornea. Studies show both can sharpen vision a great deal in keratoconus. Hybrids can feel and handle more like a soft lens, but discomfort is a common reason people stop wearing them. Updated October 2, 2026 Scleral lenses vs soft contact lenses A soft lens drapes over the cornea and largely takes on its shape, so it can't smooth out much irregularity. A scleral lens holds its own shape over a layer of saline, which is why it can restore vision on a very irregular cornea. Specialty soft lenses for keratoconus are thicker and custom-made, and small studies show they can work well for some people, especially those who can't tolerate rigid lenses. For an ordinary prescription with a healthy cornea, a regular soft lens is usually the simpler choice. Updated October 2, 2026 Scleral lenses vs corneal cross-linking Cross-linking is a procedure that strengthens the cornea to stop keratoconus from progressing. It doesn't usually restore clear vision. Scleral lenses give clear vision, but they don't stop the disease. So they aren't alternatives: if your keratoconus is getting worse, cross-linking is the treatment designed for that, and a scleral lens (or another lens) is how you see well before and after. Updated October 2, 2026 Scleral lenses vs corneal transplant For many people with an irregular cornea, a well-fitted scleral lens gives clear enough vision that a transplant can be delayed or avoided. In one clinic, most eyes with severe keratoconus that would otherwise have been referred for surgery did well in scleral lenses instead. A transplant is still the answer when the cornea is too scarred or cloudy for a lens to help, or when lenses can't be worn. And a transplant doesn't always end lens wear: many people need specialty lenses afterward. Updated October 2, 2026 Am I a candidate for scleral lenses? You may be a good candidate if glasses or other contact lenses don't give you clear, comfortable vision because your cornea is irregular, or if your eye surface is damaged or very dry. Scleral lenses are less often the right choice for an ordinary prescription on a healthy eye, or when handling a large lens every day isn't realistic. Only an eye examination can tell you for sure, and a good fitter will tell you if another option suits you better. Updated October 2, 2026 What a scleral lens fitting involves A scleral lens fitting is a series of visits, not a single appointment. Your fitter examines and maps your eyes, fits or designs a lens, orders a custom pair, teaches you to put them in and take them out, and then fine-tunes the fit over follow-up visits. In an international survey, an average fit used a little over two lenses per patient across a few visits. Expect it to take weeks rather than days. Updated October 2, 2026 Questions to ask a scleral lens fitter Ask whether scleral lenses are the right option for you now, what result you can realistically expect, how the fitting works and how long it takes, what it costs and what's included, and what happens if something goes wrong. Good answers are specific to your eyes, honest about the hard parts, and clear about money. If you feel rushed or brushed off, that's worth noticing too. Updated October 2, 2026 Scleral lenses vs Intacs and other corneal ring segments Intacs and other intracorneal ring segments are a surgical option that flattens and regularizes a keratoconic cornea. They can improve vision without correction and with glasses, but many people still need a contact lens afterward. Scleral lenses usually give sharper corrected vision with no surgery, but they're a daily routine. Neither one is designed to stop keratoconus from progressing. Which fits you depends on your cornea, your tolerance for lenses, and your surgeon's and fitter's assessment. Updated October 2, 2026 Scleral lenses vs piggyback contact lenses A piggyback system is a rigid gas permeable lens worn on top of a soft lens. The soft lens cushions the cornea and helps the rigid lens stay centered, while the rigid lens does the focusing. It can work well for people who see clearly in rigid lenses but can't tolerate them. A scleral lens solves the same problem in a single lens that doesn't touch the cornea. No trial has compared the two directly, so the choice rests on your cornea, your comfort, and your fitter's judgment. Updated October 2, 2026 Scleral lenses vs glasses for keratoconus Glasses correct regular nearsightedness and astigmatism, but keratoconus makes the cornea irregular, and a spectacle lens can't fully correct that. In early keratoconus, glasses may be all you need. As the cornea becomes more irregular, a rigid lens such as a scleral lens usually gives much sharper vision, because its smooth surface replaces the cornea's uneven one. Glasses stay useful as a backup for everyone. Your eye doctor can tell you how much vision you'd gain. Updated October 2, 2026 Scleral lenses vs autologous serum eye drops Autologous serum drops are eye drops made from your own blood. They're meant to resemble natural tears more closely than artificial tears do and to support healing of the eye's surface. A scleral lens doesn't treat the surface with anything. It holds a pool of saline over the cornea so it stays wet and shielded from the eyelids all day, and it can also sharpen vision. Serum is a drop routine. A scleral lens is a device to handle. Your eye doctor will decide which, or both, makes sense. Updated October 2, 2026 Scleral lenses vs punctal plugs Punctal plugs are tiny devices placed in the tear drains of the eyelids so your own tears stay on the eye longer. They're quick to put in and can be removed. A scleral lens holds a reservoir of saline over the cornea all day, so it doesn't depend on how many tears you make, and it can also sharpen vision. Plugs are usually tried earlier. Scleral lenses are usually for dry eye that hasn't responded to other treatments. Many people use both. Your eye doctor will advise. Updated October 2, 2026 Scleral lenses vs bandage soft contact lenses A bandage soft contact lens is a soft lens your eye doctor places on the eye to protect a damaged cornea from the eyelids and ease pain while it heals. It's quick and widely available. A scleral lens vaults over the cornea and keeps it under a layer of saline, which can help when the eye is too dry or exposed for a soft lens to work, including some non-healing defects. Scleral lenses used for healing are a specialist treatment under close supervision. Your eye doctor decides which fits your eye. Updated October 2, 2026 Scleral lenses vs amniotic membrane Amniotic membrane is a thin layer of donated human tissue placed over the eye to calm inflammation and help the surface heal. It's a short-term treatment, sometimes stitched or glued in place and sometimes held by a ring like a large contact lens. A scleral lens is a long-term device that keeps the cornea under saline and can also restore vision. Amniotic membrane is often used for acute injury or a wound that won't heal. Scleral lenses are often used for ongoing protection afterward. Your eye doctor will recommend the right step. Updated October 2, 2026 ICL or scleral lenses: which is right for me? They do different jobs. An ICL is a permanent lens implanted inside the eye to correct nearsightedness, with or without regular astigmatism, in adults with a stable prescription and an eye of the right shape. It doesn't smooth out an irregular cornea. A scleral lens sits on the eye's surface, vaults over the cornea, and can correct the blur an irregular cornea causes, at the cost of daily handling. ICLs have been used in some people with stable, milder keratoconus, but that's outside the FDA-approved uses, and the evidence is observational. Updated October 5, 2026