Image Brightness Analysis

August 18, 2009 § 6 Comments

stoma-analysis

Block brightness analysis of the stoma photo below.

This summer I read Michael Freeman’s excellent book “Perfect Exposure” on the basic, yet complex issue of exposure in photography. In the book Freeman uses a neat technique to analyze the brightness distribution of his photos. I’ve tried analyzing some of my own photos the same way here. « Read the rest of this entry »

Hand in gloves

April 17, 2008 § 9 Comments

Surgical gloves

Several studies have shown that wearing two pairs of surgical gloves offer more protection against perforations than single gloving. Wearing a pair of colored indicator gloves as inner gloves makes it much easier to detect glove perforation during surgery.

But it’s for entirely different reasons I like surgeons who double glove.
« Read the rest of this entry »

Darkness on the edge of wound

January 7, 2008 § 2 Comments

If you’ve watched any videos of open surgery you’ve probably noticed the apparent darkness of the OR. The lights seem to be turned off, except for the surgical light which keeps the surgical field brightly lit.

Laparotomy

And yet, surgeons don’t perform open operations shrouded in darkness, do they? « Read the rest of this entry »

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