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The transparent eyeball is a philosophical metaphor originated by American transcendentalist philosopher Ralph Waldo Emerson. In his essay Nature , the metaphor stands for a view of life that is absorbent rather than reflective, and therefore takes in all that nature has to offer without bias or contradiction.
The vitreous humor is a transparent, colorless, gelatinous mass that fills the space in the eye between the lens and the retina. It is surrounded by a layer of collagen called the vitreous membrane (or hyaloid membrane or vitreous cortex) separating it from the rest of the eye. It makes up four-fifths of the volume of the eyeball. [1]
The aqueous humour is a transparent water-like fluid similar to blood plasma, but containing low protein concentrations.It is secreted from the ciliary body, a structure supporting the lens of the eyeball. [1]
Illustration of Emerson's transparent eyeball metaphor in "Nature" by Christopher Pearse Cranch, ca. 1836-1838. Emerson uses spirituality as a major theme in the essay. Emerson believed in re-imagining the divine as something large and visible, which he referred to as nature; such an idea is known as transcendentalism, in which one perceives a new God and a new body, and becomes one with his ...
The eyeball is generally less tall than it is wide. The sagittal vertical (height) of a human adult eye is approximately 23.7 mm (0.93 in), the transverse horizontal diameter (width) is 24.2 mm (0.95 in) and the axial anteroposterior size (depth) averages 22.0–24.8 mm (0.87–0.98 in) with no significant difference between sexes and age ...
Glass blowing is a meticulous, precise, and mysterious art. Head to GlassWorks in the city's Arts District, where the curious can buy a 30-minute mini-workshop or two-hour short course -- or view ...
The cornea is the transparent front part of the eyeball which covers the iris, pupil, and anterior chamber. Along with the anterior chamber and lens, the cornea refracts light, accounting for approximately two-thirds of the eye's total optical power. [1] [2] In humans, the refractive power of the cornea is approximately 43 dioptres. [3]
This would give the Iggles a good chance at drawing closer to .500. 24. Vikings vs. Steelers: These two met in Super Bowl IX, which, coincidentally enough, was also in New Orleans. Not so ...