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The right eye sees a red and white arrow, each of which point to a scale with numbers seen by the left eye; the red arrow points to the vertical red scale and the white arrow points to the horizontal white scale. A third arrow located to the right and below the horizontal white scale is used to measure torsion The Maddox Wing
The paddle used is usually a 'wing paddle' (although standard asymmetrical paddles can also be used) – wing paddles have blades which are shaped to resemble a wing or spoon, creating lift and increasing the power and stability of the stroke. There are many variations of wing paddles, ranging from longer and narrower options for more stability ...
to correct refractive errors of the eye; not invasive Contact lenses: to correct refractive errors of the eye; a little invasive Phoropter: used in refraction testing Tonometers: used to determine the intraoccular pressure (IOP) - useful in glaucoma; video link for various types of tonometers. Speculum: to keep the eyes open during any operation
Short Greenland paddles (generally one arm-span in length), called storm paddles, are used with a sliding stroke, during which the hands are shifted along the blades for each stroke. Storm paddles are often used as spares and in very windy locations, as there is very little outboard blade to catch the wind. A Greenland style kayak paddle Wing
The world’s oldest known wild bird has sparked “special joy” among scientists after she laid an egg – her first in four years – at the age of 74.
A demonstration of rolling as part of a traditional technique for hunting narwals. A kayak roll or Eskimo roll is the act of righting a capsized kayak by use of body motion and/or a paddle. Typically this is done by lifting the torso towards the surface, flicking the hips to right the kayak, and applying a small force by means of the paddle to ...
Paddle Plant Care Tips. Paddle plant is easy to care when its basic needs are met. Light. Paddle plants thrive when they receive full sun outside or direct sunlight when grown indoors. Place them ...
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