Certain pertinent points to discuss taking benefit of the above image
1) The OPD setup ( Bull's Eye Lamp and Head Mirror)should be such that the source of illumination (the Bull's Eye Lamp here) and the reflector (the head mirror here) should be close to each other.......so with a RIGHT HANDED examiner, the mirror should be on the right eye of the examiner...for subtle adjustment/s of the mirror can be made with the dominant hand and accordingly the Bull's lamp should also be on the right side of the EXAMINER....behind the LEFT shoulder of the patient....one needs to remember here that the orientation of the patient and the examiner are opposite i.e. the EXAMINER'S RIGHT is the PATIENT'S LEFT and vice versa..
2) Initially, the examiner should make a honest and fervent attempt to examine WITHOUT instrument/s and WITHOUT magnification..
3) While performing examination, care has to be taken that the examiners' hand/s or intrument/s SHOULD NOT obstruct the path of illumination and vision.
P.S. Admit this post is too verbose....henceforth will try to be brief .
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