When diagnosing cataracts, an experienced doctor only needs to see the cloudy lens with dilated pupils. Rather, the fundus examination is designed to assess the quality of vision after the procedure and evaluate the risks it poses to the retina.

Biometric examination, on the other hand, provides information about the length of the eyeball and the distances between successive elements of the eye. During the examination, the cornea, lens, and retina can also be imaged along the measuring beam. Biometrics can identify any differences in the length of the eyeballs. The results of these measurements are the initial parameters for calculations related to the new intraocular artificial lens that will be implanted during cataract surgery.

A patient interview is important, in which the doctor will ask about such symptoms as:

  • deterioration of distance vision
  • problem with perception and color discrimination
  • better vision on cloudy days
  • seeing objects “as through a dirty glass”
  • Deterioration of self-care due to visual impairment.
  • deterioration of distance vision
  • problem with perception and color discrimination
  • better vision on cloudy days
  • seeing objects “as through a dirty glass”
  • Deterioration of self-care due to visual impairment.

 

A detailed family history is not unimportant – we will be asked not only what we suffer from and what medications we take, but also about any eye defects and eye diseases in the family. https://youtu.be/inqQsBVnfpA All ophthalmological examinations preceding cataract surgery – because it is a surgical intervention that involves removing the patient’s own lens and implanting an artificial lens – are non-invasive and painless.

In the study, we can expect:

  • autorefractometer examination, which is a computerized examination of visual defects; autorefractometry has the character of an indicative examination, allowing the initial detection of an existing visual defect: hyperopia, myopia and astigmatism
  • Biometry; measurement results are preliminary parameters for calculations related to new artificial intraocular lenses
  • fundus examinations
  • OCT examination of the macula (to detect the smallest macular changes that can play an important role in the use of so-called “premium lenses. premium lenses)

If the cataract is already at too advanced a stage (known as a mature cataract) and certain parameters of the eye cannot be measured due to the lens being too cloudy, an eye examination using either ultrasound or the Pentacam, a rotating Scheimpflug camera that measures the anterior segment of the eye (including the anterior chamber and corneal curvature), can be used. If it is not possible to evaluate the fundus due to the opacity of the lens, OCT should also be performed – a test to rule out retinal degenerative diseases, detachments, dilation, macular holes, and glaucoma or intraocular tumor.

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