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The patient is investigated for systemic conditions such as Diabetes, High Blood Pressure, Coronary Artery Diseases, Bronchitis and asthma, Prostatic problems and any infective focus in the body. All uncontrolled aspects of these conditions are treated prior to surgery.
Both eyes are thoroughly examined. Conjunctuval cultures for the presence of pathogenic bacteria are taken. The corneal endothelium (by specular microscopy), pupillary dilatation , Lens hardness and density and the 'red reflex' are examined. The fundus is assessed for macular degeneration (slit lamp biomicroscopy), peripheral retinal disorders (Indirect ophthalmoscopy, where possible) and the visual result prognosticated (Retinal interferometry). Corneal curvature measurements (Autokeratometry) and Axial biometry (Ultrasonography A-Scan) are done and the IOL power calculated (using IOL Master Technology ) and given by various formula.
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