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A skilled frame stylist will help the wearer select a good balance of fashionable frame size with good vertex distance to achieve ideal aesthetics and field of view. The average vertex distance in a pair of glasses is 12-14mm. A contact lens is placed directly on the eye and thus has a vertex distance of zero.
Only six films have been awarded Best Picture without receiving a Best Director nomination: Wings directed by William A. Wellman (1927/28), Grand Hotel directed by Edmund Goulding (1931/32), Driving Miss Daisy directed by Bruce Beresford (1989), Argo directed by Ben Affleck (2012), Green Book directed by Peter Farrelly (2018), and CODA directed ...
The Jaeger chart is an eye chart used in testing near visual acuity. It is a card on which paragraphs of text are printed, with the text sizes increasing from 0.37 mm to 2.5 mm. [ 1 ] This card is to be held by a patient at a fixed distance from the eye dependent on the J size being read.
The first version of the LEA test was developed in 1976 by Finnish pediatric ophthalmologist Lea Hyvärinen, MD, PhD. Dr. Hyvärinen completed her thesis on fluorescein angiography and helped start the first clinical laboratory in that area while serving as a fellow at the Wilmer Eye Institute of Johns Hopkins Hospital in 1967.
Emmetropia is the state of vision in which a faraway object at infinity is in sharp focus with the ciliary muscle [1] in a relaxed state. That condition of the normal eye is achieved when the refractive power of the cornea and eye lens and the axial length of the eye balance out, which focuses rays exactly on the retina, resulting in perfectly sharp distance vision.
Eye contact is also an important element in flirting, where it may serve to establish and gauge the other's interest in some situations. Mutual eye contact that signals attraction initially begins as a brief glance and progresses into a repeated volleying of eye contact. [5] Encouraged eye contact by narrowing the visible face down to the eyes.
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