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May 7, 2020 · Using a red hatpin (or alternatively, a cotton bud stained with fluorescein/pen with a red base) start by identifying and assessing the patient’s blind spot in comparison to the size of your own. The red hatpin needs to be positioned at an equal distance between you and the patient for this to work.
- Dr Lewis Potter
13 Using a red hatpin (or alternatively, a cotton bud stained with fluorescein/pen with a red base) start by identifying and assessing the patient’s blind spot in comparison to the size of your own.
Aug 28, 2013 · Using a red hatpin (or alternatively, a cotton bud stained with fluorescein/pen with a red base) start by identifying and assessing the patient’s blind spot in comparison to the size of your own. The red hatpin needs to be positioned at an equal distance between you and the patient for this to work.
- 6 min
Jan 1, 2018 · If appropriate, map out the patient's blind spot: the patient and examiner are seated as for the visual field test; both close one opposite, non-tested eye
The blind spot indicates the location of the optic nerve head—an area with no photoreceptors—in the temporal part of the visual field. Anything obstructing the travel of light towards the retina may affect the field tests, for example, lens opacity (cataract), ptosis (if not taped away from the pupil) or the rim of a correcting lens (test ...
- Sui H Wong, Gordon T Plant
- 2015
Ask the patient to focus on a red hat pin presented directly in front of their eye. Move a hat pin of a different colour (or white cotton swab) temporally until they lose sight of it. Ensure these are midway between yourself and the patient so that you are checking your blind spot and comparing it to theirs at the same time
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How do you detect a blind spot in a hatpin?
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Jun 23, 2022 · To use a hatpin, find a good spot on the hat where the pin won't leave an ugly hole, and: Stick the sharp end of the pin through the hat gently while it sits on your head. Make sure the pin goes underneath a section of hair. This section of hair will sit between the pin and your hat, just as it would for your regular hair pins/bobby pins.