h a l f b a k e r yApply directly to forehead.
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Iris Sculpture
Use an often-overlooked part of your body to express yourself. | |
'Sectorial dilatation' is a technique occasionally used by ophthalmologists to gain a better view of the eye's interior, without the risk of causing angle-closure glaucoma. This procedure involves the instillation of
topical mydriatic drugs (typically phenylephrine) onto a very localised part of the
cornea, causing dilatation of the area of iris underlying that part of the cornea. This procedure is quite different to normal dilatation where a drop of mydriatic is placed on the eye, causing the entire pupil to dilate.
Another class of drugs, known as miotics, have the opposite effect on pupils - they constrict them. These drugs are used far less commonly than the mydriatics.
Iris Sculpture will be performed by trained technicians, using both mydriatics and miotics. After instilling a topical local anaesthetic into the eye, a small paintbrush-type implement will be used to dab mydriatic/miotic drug onto the cornea, causing either dilatation or constriction of the pupil in those areas. Interesting pupil shapes could be created (at least temporarily), including hearts, Mickey Mouse ears, clover-leaves, flower-shapes, and cats eyes (either vertical or horizontal). The effect would be expected to last around 6 hours, although it could persist for up to 12 in people with dark brown irides.
Drawbacks include reduced ability to read (mainly a problem in younger people), increased sensitivity to light, glare effects, and possible headaches. However, I envisage this procedure being used mainly for nightclubbing adventures, and in this case, the above side-effects would be of little consequence.
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Clever pun in the summary line, too :P |
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Nice one, [UB]. The only problem I can see here is that sharp points could be a bit hard to construct. Hearts might be a little tough to make, but eye suppose I could overlook that. |
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[vigilante], this procedure can be quite exact (with respect to making sharp points) as long as a very fine implement is used to apply the drugs. Perhaps describing the tool as 'paintbrush-like' was a little misleading. |
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Rather than using a fine-tipped tool to apply the drugs, I think your idea would be more widely accepted and probably cheaper, too, if the pattern were printed with high precision on the contact surface of a neutral contact lens. The drug could even be microencapsulated in a capsule material that would slowly dissolve in the liquid on the eye's surface, so the drug wouldn't be acting on the eye while the lens is being applied (and thus temporarily out of registration). Microencapsulation could also allow time-delay effects so that the sculpture is at its peak as the victim makes his/her appearance, and over-printing multiple designs with a different capsule thickness for each design would allow the sculpture to morph from one pattern to another over time. |
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French bread for the inspiration. |
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