Chinese Emperor used spectacles; When and why. Right Ans - He used
them as a badge of knowledge and authority and a sign of affluence. 2283 B.C.
When was the first definite proof of glasses and who was the pioneer lens
designer Right Ans - 13th Century (1268) and it was Roger Bacon, an
english monk philosopher.
Who is generally credited with the invention of Spectalces? What does his
tombstone say? Right Ans - Salvino d'Armate (1248) of Italy's headstone
reads "Here lies the inventor of spectacles"
What were the first lenses used for and what type of lens was it? Right Ans
- plus/ convex, they were used for reading
What century were minus/concave lenses introduced? Right Ans - 16th
century lenses were made for nearsighted people (myopic lenses)
What century were toric lenses introduced? and by who? Right Ans - 19th
Century (1840-1844) By Suscipi
Early on, what were rich peoples glasses like compared to poor? Right Ans
- The wealthy probably had them framed in gold or sterling silver and carried
in a leather covered, silk-lined case, men had monocles or lorgnettes, rich
women used engraved handheld glasses. While the poor used ready made
steel rimmed glasses that go around the ear.
What were some of the materials that the first frames were made from
Right Ans - metal, wood, or leather, horn or bone
Frame Evolution Right Ans - - Started with just rivets in the lenses with a
hinged bridge to hold them on the bridge of the nose
-then adding temporal sides of the lenses that included chains or cords with a
type of weight at the end to drape over the ears to help stabilize the lenses
- then they added a frame to contain the lenses (fronts only)
-Around 1677-1743 they designed temples, the first ones were short and stiff
and pressed on the side of the head above the ears. 30 yrs later they invented
, some that were longer and designed with a hinge in the middle, this change
added comfort and stability to the spectacles.
- 1st were round, then followed by square and oval in 1830's
- then better material like gold, silver, steel, baleen, brass, tortoiseshell
What is lifestyle dispensing? Right Ans - In addition to fashion and
cosmetic dispensing, there is lifestyle dispensing. This is when the object is to
provide spectacles and /or contacts to meet a variety of visual lifestyle needs
such as sun protection, sports vision, or specialized tasks.
When did the knowledge of application of optics begin to progress and who is
given credit to doing so? Right Ans - the 1800's
F.C. Donders M.D. with his text Accomodation and Refraction of the Eye"
sparked interest of physicians concerning the examination of the eye and the
prescribing of spectacle lenses
Starting when was there a distinction of the 2 types of opticians and what
were they? Right Ans - Starting around the 20th century some opticians
chose to specialize in the fabrication of spectacles and were known as
"prescription opticians", today known as dispensing opticians. The other were
referred to "refracting opticians" as they provided sight testing in addition to
providing spectacles. Refracting opticians wanted to establish themselves as a
legal entity and selected the name "optometry" for their profession.
When were exclusive titles classified? Right Ans - In 1942 the Department
of Defense wanted an exclusive title to classify and categorize the various
occupations that dealt with prescription spectacles. Charles Sheard selected
the word "opticianry" and defined it as "the art and science of optics as
applied to the compounding, filling, and adapting of ophthalmic prescriptions,
products and accessories.
Who was credited with designing frames that included temples? Right Ans
- Edward Scarlett
A-Ab Right Ans - A lack of, away from (abnormal)
A-An Right Ans - Without(avascular)
AD- Right Ans - Toward (adduction)
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