Problems of post-cataract patients
Sometimes the people who need contact lenses most are those who may have the greatest difficulty in inserting and removing them. This seems a good place to deal with some of the problems such people have in inserting lenses, and how these may be relieved. In the first place, a patient who has had a cataract removed has a very long-sighted eye so that the nearer an object is brought, the more blurred it becomes.
Post-cataract patients should therefore always have glasses, whether or not they wear contact lenses, and the reading glasses should be worn while everything is being made ready for the insertion of the contact lenses. Shakiness and poor co-ordination mean that lenses will often be dropped, so a towel should be spread out.
It is sometimes useful to have a spectacle frame modified, with one lens only, and with the lower part of the frame that is empty cut away. When one contact lens has been inserted through the empty half, the frame is removed and the other contact lens put in. Many post-cataract patients learn to insert lenses by touch alone; the best way for them to control the lids is the standard hard lens method described above as this helps to steady the finger bearing the lens. Some have found the sucker on the glass rod idea helpful. A magnifying shaving mirror can be a valuable— even indispensable — aid.
Such patients are usually old and the lid margins lax and sometimes turned outwards, so that the conventional skin- pulling method of contact lens removal often fails. The method in which the lid margins are pressed on to the eye with the finger tips is more likely to succeed, but this, too, is more difficult in old people than in young. Careful and informed use of squeeze-type rubber suckers may he a great help to such patients but the solid plastic type should never be risked. There is one tip which should be remembered when real difficulty is encountered. An ordinary eye bath full of salt water (1 teaspoon of salt to 1 pint of water) may be used to float the lens out of the eye. The full bath is applied to the eye, as the patient bends forward, and a few blinks under water will invariably do the trick.
Soft lenses can always be pinched off so long as the fingers are dry.
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