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The Advantages Of Contact Lenses Over Glasses

Contact lenses are optical medical devices,the cornea of the eye, contact lenses provide
just as spectacles are, and often providevision that is more natural. The objects
cosmetic and optical advantages over them.appear in the correct size and position,
The more than 35 million people in the Unitedwithout any distortion. The distance between
States who have opted for contact lenses overthe eye and the glasses can vary, causing the
the use of glasses have done so because ofobjects to appear larger or smaller than they
their convenience, and cosmetic value. Manyactually  are.
people initially feel discomfort when
starting to use contact lenses, but theStable Vision - Contact lenses are not
benefits of using them far outweigh theseaffected by quick body movements, such as in
minor  discomforts.sports and similar activities, and remain in
place, providing clear and stable vision.
The  Short  History  Of  SpectaclesEyeglasses are unstable on your face when
running, making your vision unstable,
The invention of spectacles has greatlyaffecting  your  performance.
influenced progress in the arts and sciences,
yet it is not very clear who invented thisPeripheral Vision - Contacts give you a wider
instrument. In 1270, Marco Polo saw elderlyand better peripheral vision that glasses.
Chinese using this device, which they claimContact lenses move along with your eyes and
to have originated in Arabia in the 11thyou are always looking through the clearest
century.part of the lens - the optic zone. On the
other hand, the frames of the glasses block
The spectacles evolved in the western worldyour peripheral vision, and when you move
from the late 1200s onwards, with rivetedyour eyes to the side, you are no longer
spectacles used by monks and scholars, wholooking through the optical center, causing
held the lenses in front of there eyes, orblurred  and  distorted  vision.
balanced them on their noses. The invention
of the printing press in 1452 encouraged theUnaffected By Weather - Contact lenses do not
mass production of spectacles, along with thefog up when you come in from the cold, and
growing popularity of books. For the lowerneither do they get splattered by rain. In
and middle classes, there were spectaclesaddition, they do not steam up from body heat
mounted in wood, horn, bone, etc, whereas theor  perspiration.
upper classes used hand held spectacles in
gold  or  silver  frames.Comfortable - Contact lenses are quite
comfortable to wear as they do not pinch your
The significant advancement in frame designnose, or rub or press against your ears and
occurred in the 1600s, with rigid bridgestemple, unlike glasses, which, in addition,
that allowed the spectacles to remain inslide  down  your  nose  when  you  perspire.
place. In the present times, there has been a
tremendous progress in frames and lensContact lenses have been a boon for children
acuity, with the spectacles, whether plain orin one particular sense. They do not get
prescription,  becoming  a fashion statement.picked on at school by their friends. This
relieves them from the psychological and
The  Short  History  Of  Contact  Lensesphysical  traumas related to wearing glasses.
If you are of the view that contact lensesGlasses, at times do not work, and contact
are a new invention, you are way off thelenses  are  certainly  superior  to  them:
mark. Leonardo Da Vinci first described and
sketched his ideas of contact lenses way backThick glasses are required in cases of severe
in 1508! However, it took more than 300 yearsshort sightedness, making them very heavy,
to  fabricate  and  wear  them.and  your  eyes  look  very  small.
Swiss physician A.E. Fick and Paris opticianGlasses do not provide adequate correction
Edouard Kalt are credited with fitting thewhen the difference between the visual acuity
first contact lenses, in the late 1800s, forof your eyes is more than 2.5 diopters - a
myopia and hyperopia. These heavy glassunit of measurement of the refractive power
lenses could be used for a few hours of wearof  lenses.
only.
After cataract removal, your eyes need a
Plastic came into use in 1936, when Williamspecial protection, which only contact lenses
Feinbloom, an optometrist in New York, madecan  provide  adequately.
contact lenses with the central portion of
glass surrounded by plastic in the peripheryWith improvements in technology, a wide
that covered the sclera. 1948 saw avariety of contact lenses are available, both
Californian optometrist, Kevin Tuohy producefor ophthalmic, as well as cosmetic uses.
contact  lenses  completely  made of plastic.People who normally wear glasses can easily
and safely shift to wearing contact lenses.
The same year, George Butterfield, anPeople had many misgivings about using
optometrist from Oregon, improved upon Kevincontact lenses, and opted for glasses, but
Tuohy's design with lenses that matched thethese  are  no  longer  hold  true.
shape of the cornea, and would not easily pop
off. These lenses have evolved to the presentThere was a time when contact lenses used to
soft contact lenses, which are worn by morepop out, and this was during the time when
than 90% of the contact lens wearers in thecontact lenses were hard lenses. Today, there
United  States.is no 'popping' out with the introduction of
soft contact lenses. These soft contact
Contact  Lenses  vs.  Glasseslenses conform to the shape of the eye, and
do  not  move  or  pop  out.
Contact lenses offer functional advantages
over glasses in areas, such as sports, work -Another myth of contact lenses being
in humid environment, and in occupationsexpensive is not correct. These are less
where spectacles are inconvenient and notexpensive than many of the designer frames
compatible with the equipment used, such asthat  are  available  today.
special headgears. Let us look at some of the
advantages that contact lenses offer overFollow the instructions of the manufacturers
glasses:to take care of your contact lenses, to
enable them to provide you with clear and
Natural Vision - As they are worn right onhealthy vision.



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