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Indications for removal of foreign bodies from the eye
Last reviewed: 23.04.2024
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The above classification of metallurgy allows for early diagnosis and the correct solution of the question of surgical intervention, in particular when the foreign body remains in the eye for a long time, especially in cases where removal of the fragment presents great technical difficulties. In all cases, it is necessary to strive for the earliest possible extraction of the fragment from the eye.
In the first stage of the process, the removal of the fragment can be temporarily abstained if the iron or copper-containing foreign body is in the macular or paramacular region, in a transparent lens.
The second stage of development - special attention is paid to electrophysiological studies. With initial changes in the anterior part of the eye from the removal of the fragment, one can abstain; if changes in the retina, characteristic of siderosis or chalcosis, are detected, this is the basis for removing the foreign body.
The third stage - with the developed process the removal of a foreign body is shown in all cases for any fragment localization.
The fourth stage - with a far-reaching process, the removal of a foreign body is shown when vision is preserved (but not more than 0.1). If the visual acuity is low, within the light perception, the removal of the fragment is impractical, since, despite its extraction, the eye functions are completely lost due to the abundant accumulation of iron or copper salts in the eye tissues and the progression of the process.
The proposed classification makes it possible to establish indications of cataract extraction in patients with the phenomena of siderosis and chalcosis. At I, II, III stages of the development of the process, cataract extraction can be shown. At far gone stage removal of a dull lens does not give due optical effect, in connection with which the operation is inadvisable.
All patients who have a foreign body in time not removed from the eye should be under constant supervision of an ophthalmologist. Preventive examination of these patients is mandatory every six months.
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