In brief
- Choosing contact lenses starts with an eye test, not by comparing products.
- Your prescription, the shape of your cornea and the quality of your tear film determine which lenses are suitable for you.
- How often you wear your lenses determines whether daily or monthly lenses are more practical.
- If you have astigmatism, a toric lens is the right choice, and if you have difficulty seeing close up, a multifocal lens is recommended.
- Your contact lens specialist will take your measurements, provide you with a trial lens and then check that the lenses fit properly.
You shouldn’t choose contact lenses based on a hunch, but on the measurements taken of your eyes. Many people search online for the ‘best’ lens. However, there is no single ‘best’ lens. There is only a lens that suits your eyes. What works for you depends on your prescription, the shape of your cornea and how you use the lenses. A lens that fits someone else perfectly might actually feel uncomfortable for you. That’s why getting measured is more important than comparing products. In this article, you’ll find out what your choice depends on and what types of lenses are available. We’ll go through four factors: how often you wear them, whether you have astigmatism, whether you have trouble seeing up close, and when a hard lens is a better fit. You’ll make the final decision together with your contact lens specialist.
What factors influence the choice of contact lenses?
The choice of contact lenses depends on your prescription, the shape of your cornea, the quality of your tear film and how often you want to wear the lenses. Your job, the sports you play and your age are also factors. A contact lens specialist will examine your eyes and, based on those measurements, determine which lenses are suitable. You are therefore advised not to choose lenses yourself without having your eyes examined.
You can think of the choice in terms of four factors. The first is the replacement schedule: how often you replace the lenses. The second is the correction: do you need only power, or also astigmatism correction? The third is your age, as your near vision changes from around the age of forty. The fourth is the shape of your eye, which determines whether a soft or a hard lens is a better fit. In the following sections, we’ll go through these factors one by one. The measurements and advice are part of the contact lens fitting process carried out by a qualified specialist. This ensures that the lens is suited to your eyes and not just to your preferences.
Which contact lenses suit how often you wear them?
If you wear lenses only occasionally, daily disposable lenses are practical, as you simply throw them away after one day and don’t need to clean anything. If you wear lenses almost every day, many wearers opt for monthly lenses with daily cleaning. Both types require the same level of hygiene discipline. Your specialist will advise you on which replacement schedule suits your eyes and your daily routine.
The main difference lies in maintenance and ease of use. With daily disposable lenses, you start each day with a fresh pair and don’t need any solution or lens case. Read here to find out what daily disposable lenses are and when they’re a good choice. With monthly lenses, you wear the same pair for a month and clean them every day. This is more cost-effective if you wear them frequently, but requires a regular routine. Read here to find out what a monthly contact lens is. Whichever type you choose, proper care and hygiene are always essential. Remember to wash your hands and use the correct solution.
Which contact lenses are suitable for astigmatism?
With astigmatism, the cornea is not round but curved in an oval shape. As a result, your vision is blurred at various distances. A toric contact lens has two powers in a single lens and maintains a fixed position in the eye, ensuring that the correction remains aligned with the correct axis. Whether a toric lens is suitable depends on the degree of astigmatism and the measurements taken by your specialist.
A toric lens needs to remain stable to stay in focus. That’s why these lenses have a built-in system that keeps them in the same position, even when you blink or look to the side. If the lens does shift, you’ll notice this as fluctuating or blurred vision that clears up again. Usually, the lens slips back into place by itself. If your vision remains unstable, please report this to your specialist, as the alignment or design may not be suitable. You can read about exactly what astigmatism is on the website of the Dutch Optometrists’ Association. You should choose the right toric lens based on the measurements, not on how it feels.
Which contact lenses help with difficulty seeing close up?
From around the age of 40, it becomes more difficult to see things up close. This is called presbyopia or age-related long-sightedness. A multifocal contact lens has multiple powers in a single lens, allowing you to see both close up and at a distance. Your brain needs to get used to this image, so the first few weeks are an adjustment period. Your specialist will determine which multifocal design suits your eyes and your visual habits.
Presbyopia, or age-related long-sightedness, is a natural part of ageing and affects almost everyone. In practice, this means that your vision may still fluctuate during the first few weeks, particularly when switching between near and far vision. That is why a follow-up check-up is important: the specialist will check whether the design is correct and make any necessary adjustments. Some multifocal lenses are also designed to adapt as your eyes change, such as the multifocal lens that grows with you. One example from the range is the OPZIE Omnifocal. Which design works for you depends on your prescription and your daily visual habits.
When does a specialist recommend rigid gas-permeable contact lenses?
Rigid gas-permeable contact lenses are small, hard lenses that retain their shape on the eye. Specialists may recommend them, for example, in cases of a severely irregular cornea, where a soft lens cannot compensate for the irregularity. Scleral lenses are larger and rest on the white of the eye rather than on the cornea. These lenses are always fitted and checked individually by a specialist.
It helps to distinguish between three types. A soft lens is flexible and moulds to the shape of your eye. A rigid gas-permeable lens is small and hard and retains its own shape, enabling it to correct an irregular cornea. A scleral lens is a large, hard lens that rests on the white of the eye, leaving the cornea uncovered. Hard lenses require their own specific care routine using specialised solutions, as the material is different from that used in soft lenses. As fitting is a precise process, it is always carried out by a specialist and never based on a standard size.
How does your specialist determine which contact lenses are suitable?
A contact lens fitting begins with a discussion about your symptoms, your work and your preferences. The specialist will then measure your prescription, the curvature of your cornea and the quality of your tear film. You’ll be given a trial lens, after which the specialist will assess how the lens sits on and moves within your eye. During the follow-up check-up, they’ll check whether the lenses still fit properly.
Take your current glasses or contact lenses with you to your appointment and, if you have one, a recent eye test result. Useful questions to ask include: how long can I wear the lenses each day, how do I clean them, and when should I come back for a check-up? During the fitting and check-up, the specialist will check not only your visual acuity but also the health of your eyes. That’s why regular check-ups are necessary, even if you have no symptoms. You often won’t notice minor changes to your eyes or the lenses yourself, but the specialist will. This ensures that wearing them remains safe in the long term.
How to keep your contact lenses healthy whilst wearing them
The lens that suits you is also the one you can look after properly. Your choice should therefore always include three things: a solution suitable for your lens material, a clean lens case with its own replacement schedule, and a regular check-up appointment. If you sort these three things out when you’re fitted for your lenses, you’ll avoid neglecting their care later on.
The basic hygiene rules are simple: wash your hands before touching a lens, never use tap water on your lenses or lens case, and stick to the wearing and replacement schedule. There are also warning signs that indicate you should stop wearing your lenses, such as persistent redness, pain, sensitivity to light or a sudden loss of vision. Proper care is no trivial matter, as research into corneal infections shows that incorrect lens use plays a role in serious eye problems. You should therefore choose the right lens solution carefully and, if necessary, find a stockist near you.
Ask your contact lens specialist which product is suitable for you and find a stockist near you.
This information is of a general nature and is not a substitute for personal advice. If you have any concerns or are in any doubt, please consult your contact lens specialist, optician or (eye) doctor.
Frequently asked questions about choosing contact lenses
Can you buy contact lenses without having your eyes measured?
Contact lenses are medical devices that are fitted to your eye. Without a fitting, it is impossible to know whether the lens sits correctly on your cornea or whether your eye is getting enough oxygen. An ill-fitting lens can cause irritation or damage. In Europe, contact lenses are subject to the regulations governing medical devices, and their sale and distribution are also regulated. You should therefore always have your lenses fitted by a contact lens specialist or optometrist and attend your follow-up appointments. If you have any doubts about an offer that does not include a fitting, choose a qualified professional. That way, you can be sure that the lens fits your eye and that you can wear it safely.
Are contact lenses suitable for children?
Whether contact lenses are suitable is assessed by a contact lens specialist or optometrist on a case-by-case basis for each child. Factors such as the reason for wearing lenses, hygiene and supervision at home are taken into account. There is no fixed age limit that applies to every child. Some children wear lenses for sport, others for medical reasons. It is important that a child is able to put the lenses in and take them out properly, either independently or with assistance, and understands the hygiene rules. The specialist explains how the lenses are fitted and managed, as described in the contact lens procedure, and schedules follow-up appointments. If you have any doubts or concerns, please contact the specialist. This ensures that wearing contact lenses remains safe for children too.
Can you wear contact lenses if you have dry eyes?
Dry eyes do not automatically rule out contact lenses, but they do require extra attention to lens material, wearing time and solution. Your specialist will assess the quality of your tear film and tailor their advice accordingly. Sometimes a different lens material, a shorter wearing time or a different solution can help. The environment in which you work also plays a role, as working at a screen and dry air can exacerbate the symptoms. If you notice that your eyes are burning, stinging or becoming tired, please mention this at your appointment. If you experience eye discomfort whilst wearing your lenses, read about the best course of action. If the symptoms persist, further investigation is advisable.
Can you wear contact lenses whilst playing sport?
Many wearers choose contact lenses specifically for sport, as glasses can get in the way or fog up. Contact lenses move with your eyes and provide an unobstructed field of vision. Do be careful of dust, sweat and touching your eyes with dirty hands. Wash your hands before touching a lens and do not rub your eyes whilst exercising. Separate advice applies to water sports, as water is not sterile and may contain micro-organisms. For dusty or high-intensity sports, daily disposable contact lenses can be practical, as you simply throw them away afterwards. Ask your specialist which solution is best suited to your sport and your eyes, so that you can exercise safely and comfortably.
Can you swim whilst wearing contact lenses?
Swimming whilst wearing contact lenses is not recommended, or should only be done with protective measures in place, as water may contain micro-organisms. One such microorganism is Acanthamoeba, which can cause severe corneal inflammation. This parasite is found in tap water, swimming pools, lakes and the sea, amongst other places. If it enters your eye via your lens or lens case, it can cause long-term problems. Research into corneal infections confirms that contact lens wearers are at increased risk. You should therefore preferably avoid wearing contact lenses in the water, or use a pair of well-fitting swimming goggles. Remove your contact lenses after swimming and discuss with your optician what is appropriate in your situation.
How long does it take to get used to new contact lenses?
The adjustment period varies from person to person and depending on the type of lens. With soft daily disposable lenses, this often happens quickly, whilst multifocal and rigid gas-permeable lenses usually take longer. Your brain needs to get used to the new vision and your eyes to the sensation of the lens. Your specialist will advise you on what is normal in your situation and when you should return for a check-up. Stick to the gradual build-up plan you’re given, for example, the number of hours per day. Pain, persistent redness or deteriorating vision are not part of the adjustment process. If you notice any of these, remove the lens and contact your contact lens specialist. This will prevent a minor problem from becoming a bigger one.
What should you do if a new lens isn’t comfortable?
Remove the lens if it hurts, stings or causes blurred vision. Do not continue to wear it in the hope that you’ll get used to it, as this can make the symptoms worse. Check that the lens is not damaged, inside out or covered in dirt. If the discomfort persists, leave the lens out and contact your contact lens specialist. Take the lens and its packaging with you to your appointment so that the specialist can check the lens prescription and expiry date. If you experience pain, severe redness or a sudden loss of vision, it is important to contact your specialist as soon as possible. If you are unsure about the best course of action, read the guidance on symptoms or call your specialist.
Can you simply choose coloured lenses without a prescription?
Even non-prescription lenses rest on your cornea and therefore require the same care and hygiene as prescription lenses. They are not make-up, but a medical device. In the Netherlands, there is a professional guideline for cosmetic contact lenses, which sets out how these lenses are fitted and managed. An incorrectly fitted or poorly cared-for coloured lens can cause irritation or an infection. You should therefore have coloured lenses fitted by a qualified professional and not simply buy them online or at a market. Ask for advice on how to insert, remove, clean and manage your wearing time. This way, you can achieve the look you want without putting unnecessary strain on your eyes.
Can you switch from glasses to contact lenses if you have a high prescription?
Lenses are often available even for higher prescriptions, but the range of prescriptions available varies by lens range. Your specialist will check which range covers your prescription and any astigmatism. Sometimes a rigid gas-permeable lens is a better option, as it can provide a sharper image in cases of strong or irregular refractive errors. Switching from glasses to contact lenses requires a fitting, a trial lens and usually a short settling-in period. If you notice any difference in sharpness or depth of field, please discuss this at your follow-up appointment. Don’t expect every lens to provide exactly the same vision as your glasses. Your optician will work with you to find the lens that corrects your prescription effectively and is comfortable to wear.
How often should you have a check-up with your contact lens specialist?
The frequency of check-ups depends on your lens type, your eyes and your wearing pattern, and your specialist will discuss this with you. New wearers often return sooner than people who have been wearing the same lenses for years. During the check-up, the specialist will check that the lenses still fit properly, that your eyes remain healthy and that the prescription is still correct. You should also pop in between appointments if you experience any symptoms or changes in your vision, even if you haven’t yet booked a scheduled appointment. A lens that feels comfortable may still need adjusting, for example if your eyes become drier. Make sure you keep your appointments, as it is precisely these check-ups that ensure the safe use of contact lenses.
