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In practice we are often presented with patients who complain of central scotoma. At our disposal we have visual acuity charts giving an insight into the amount of vision and visual acuity loss. The ophthalmoscope is the primary instrument used by all optometrists and a quick glance should alert us to any obvious cause for the visual loss.
Slit-lamp biomicroscopy allows us to carry out a detailed examination of the fundus and with the right Volk lens a much more detailed 3D view is possible. Using a fundus camera allows us to digitally record our findings for future reference and monitoring. Even with all this equipment at our disposal, at times we cannot ascertain the reason for our patients' complaints.
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