Contact Lenses Care

In general, removal is easier than insertion. Lenses are removed, not with the fingers but with the lid margins. When you are wearing lenses your lids, on closing, slip easily over the lens to be in front of it. Indeed, for most of the time your upper lids will be covering the upper part of the front surface of the lenses so that when your eyes close, the lids simply slip down over the front surfaces. If however, your lids are held so wide apart that the lid margins are above and below the edge of the lens, and if the lid margins are then pressed tightly against the cornea, any attempt to bring the lids together will tend to squeeze the contact lens off the cornea.

As when inserting lenses, the cornea must be well centred between the lids or it will not be possible for the lid margins to stay clear of the lens. Once you are sure of this press the lids tightly against the cornea above and below the lens. The most popular way of doing this is to place one or two finger tips on the skin at the outer corner of the eye and pull the skin back and slightly upwards so as to tighten the lids on the cornea. There is a knack in doing this and beginners usually fail because, as soon as they start pulling the skin back, they allow the lids to close over the lens. This makes it impossible for the lens to come out. In the normal course of events, pulling the skin backwards will always bring the lids together and it is essential that you should hold the lids wide (to clear the contact lens) while you are pulling — take care not to pull very hard!

Gently pull the lids back and a little upwards. If, while maintaining the lid margins tight against the cornea, you now try to blink, or turn your eye towards your nose, the tight lid margins will catch the edges of the lens and pop it out of your eye into the palm of your other hand, held conveniently close to receive it. This is probably the best method, especially for the younger wearer, whose lids are normally reasonably tight.

Older people’s lids are often quite lax and the edges may turn out slightly making it difficult or impossible to use this method. In this case, keep the lid margins against the cornea by pressing them directly on with the finger tips then bring them together to catch on the upper and lower margins of the lens and pop it out.

In using either of these methods the lens will often stick to the lashes and you may wonder what has happened to it. The expert will always succeed in dropping the lens into her hand, but until you acquire this degree of skill, do your lens removing over a flat surface on which you have spread a clean towel.

Solid plastic sucker

This is a device which I view with mixed feelings, having once or twice seen damage resulting from the unskilled application of one of these devices to the naked cornea. It is a non-squeezable gadget with a very thin-cupped business end, which grips the lens strongly. I don’t think it is possible to do any very serious harm, but there is no doubt that you can give yourself a very sore eye if you are careless. The sucker is a most efficient way of removing a hard contact lens. Unfortunately, if you happen not to have a lens on the cornea, it will grip the corneal epithelium instead, with very painful results. You will be incapacitated for a couple of days and will not be able to wear contact lenses for about three weeks.

If you should get a plastic remover stuck on to your cornea, on no account try to pull it off. Instead, try gently to slide it across to the edge of the cornea and free it as it passes on to the conjunctiva. Even if it retains its adhesion, you will do no harm by pulling it straight off the conjunctiva.

A much safer, although less efficient, type of lens remover is the hollow, compressible, type made of rubber or plastic. There is little chance of doing yourself an injury with this type of device, as you can always release it, quite easily, by squeezing. Unfortunately, however, the grip is insecure unless the device is in good condition, the contact lens properly wetted and the timing of the squeeze and release just right. The sucker is handy for removing a lens that has slipped off the cornea and become stuck on the conjunctiva, especially if it is high up behind the upper lid and cannot be eased down. But in this case it is advisable to seek the help of someone else while you turn your eye as hard as you can in the direction opposite to where the lens is sitting (turn your head up and look down).

People with arthritis, or who are very clumsy with their fingers, may consider snipping off the closed end of one of these suckers and pushing the opening thus made over the end of a short length of solid glass rod of suitable diameter. Enough of the sucker should be left free to allow squeezing. Such a device may be found useful in inserting and removing lenses. The secret is to have a source of light behind the far end of the rod, so that the contact lens wearer can sight down through the centre of the lens and the glass rod and thus ensure proper alignment. But take great care to avoid bumping the lens on the cornea — the finger tip is always preferable.

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