HOLLOW EYE SPECULUM.

A New Eye Speculum

sold by surgical instrument makers, which have constantly come prominently to my notice daring the performnace of operations on the eye, and which, after considerable experience of the same, have forced me to try and effect a remedy for them. It is with that object in view, that I have devised an instrument, which I venture to bring before the notice of the profession, as having, in my humble o...

An Eye Speculum with Different Blades for Upper and Lower Lids.

Sims Speculum Examination

Sims Speculum Examination is an important skill for medical students and doctors. This article presents a comprehensive, concise and evidence-based approach to the use of the Sims Speculum which is consistent with The Principles of Clinical Examination [1]. We describe the signs of pelvic organ prolapse and based on a review of the literature, the precision and accuracy of these signs is discus...

Eye vergence is susceptible to the hollow-face illusion.

When an observer looks at a hollow mask of a face, a normal convex face is often perceived [the hollow-face illusion--Gregory 1973, in Illusion in Nature and Art (London: Duckworth) pp 49-96]. We show that in exploring an illusory face, the eyes converge at the illusory and not at the real distances of fixated targets like the tip of the nose. The 'vergence error' appears even though the result...

Easing the discomfort of a speculum exam.

Until now, we’ve only evaluated gel’s impact on test results Studies comparing lubricating gel and water have conclusively shown that a small amount of gel, used on the outside of the speculum blades, does not interfere with either Pap testing or detection of Chlamydia trachomatis. One liquid-based cytology manufacturer, however, discourages the use of lubricants with “carbomers” or “carbopol p...