Who invented the contact lens ?

Who invented the contact lens ?
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1 Answer

Answer :

Adolf Gaston Fitch discovers contact lenses.
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Related questions

Is it possible to use your own saliva to clean your contact lens?

Description : Is it possible to use your own saliva to clean your contact lens?

Last Answer : According to this, no. But I don't believe it. I've worn contact lenses for nearly twenty years and I do it all the time. But I wear gas permeable rigid contacts and you can do almost anything ... if you should use your saliva with soft lenses. My wife wears those and they are a lot more fragile.

What happens during a contact lens fitting? Can I drive afterward?

Description : What happens during a contact lens fitting? Can I drive afterward?

Last Answer : Usually, when you go in for a fitting they give you a sample pair to wear, to make sure your eyes take to the contacts. If all goes well, you make a return appointment to pick the rest of them up ... way you can wear the glasses while you drive and just put the contacts in once you get to L.A.

How can you tell you have part of a contact lens in your eye, and how can you get it out without further irritation?

Description : How can you tell you have part of a contact lens in your eye, and how can you get it out without further irritation?

Last Answer : Visit the optician

What can happen if you wear contact lens longer than specified?

Description : What can happen if you wear contact lens longer than specified?

Last Answer : You can read about the effects here. You run the risk of serious eye infections and permanent damage. If you keep it up it can require surgery. Don't fuck around with your vision. I went blind once, I ... of ever seeing again. Take it from me, you do not fuck with your eyes. EDIT: Changed the link.

Is it safe to fix eye contact lens?

Description : Is it safe to fix eye contact lens?

Last Answer : Contact lenses are really fascinating to look at especially with different colors in it. But precautions about wearing budgeted contact lenses, as they might irritate your eyes while wearing them. You have to be persistent ... and added some features to the woman's eye. But, i don't wear any of it.

Should contact lens be kept in fridge?

Description : Should contact lens be kept in fridge?

Last Answer : Contact lenses are more like spectacles and all lenses that come from the doctor do come with protective cover.There's no need of keeping them in a refrigerator because they'll get wet and you'll need to ... destroying them. All you have to do is store them in a cool and clean place away from dust.

A concave lens is kept in contact with a convex lens of focal length `20 cm`. The combination works as a converging lens of focal length `100 cm`. Cal

Description : A concave lens is kept in contact with a convex lens of focal length `20 cm`. The combination works as a converging lens of focal length `100 cm`. Cal

Last Answer : A concave lens is kept in contact with a convex lens of focal length `20 cm`. The combination ... length `100 cm`. Calculate power of concave lens.

Find the focal length and power of a convex lens, which when placed in contact with a concave lens of focal length `25 cm` forms a real image `5` time

Description : Find the focal length and power of a convex lens, which when placed in contact with a concave lens of focal length `25 cm` forms a real image `5` time

Last Answer : Find the focal length and power of a convex lens, which when placed in contact with a concave ... the object placed `20 cm` from the combination.

The Advantages of Contact Lens?

Description : The Advantages of Contact Lens?

Last Answer : There are numerous choices when it comes to buying contact lens.People choose contact lens for different reasons, but the mostobvious reason is style. Many people like not having to wearglasses. It ... lens before leaving the eye doctor's office. You candetermine the comfort level of the conta

How is a colored contact lens made?

Description : How is a colored contact lens made?

Last Answer : Color contact lenses are made with a solid colored tint and can completely change the color of the eyes. Some are tinted and do not change the color much.

Can I ask for eye exam fee for contact lens ?

Description : Can I ask for eye exam fee for contact lens ?

Last Answer : Unfortunately no one offers free eye exams for contact lenses, only for eye glasses. The places that offer free eye exams for glasses often offer cheap contact lens exams. America's Best is one of those ... price as the contact lens exam and then you get free exams for the next couple of years.

If you are not using disposable contact lens, how long is a pair of contact lens good for?

Description : If you are not using disposable contact lens, how long is a pair of contact lens good for?

Last Answer : When using a pair of hard contact lenses, frequent replacement lenses should be replaced monthly or quarterly. Traditional (reusable) lenses should last six months or longer. It is recommended that they be ... wear Freshlook lenses and replace them every month. I think it is more healthy that way.

Should I apply my makeup before or after I apply my cosmetic contact lens?

Description : Should I apply my makeup before or after I apply my cosmetic contact lens?

Last Answer : Always apply your makeup after you have inserted your contact lenses. Before you insert your contact lenses, make sure that both your face and your hands are clean. Use a clean tissue to blot the fluid from around your eyes. Once your eyes have adjusted to the lenses, you can apply your make up.

Is contact lens exam the same thing as vision eye exam?

Description : Is contact lens exam the same thing as vision eye exam?

Last Answer : I believe the exam is the same, but with the contact lens exam the optometrist checks and measures your eyes for the proper fitting of contacts.

Where can I buy a contact lens?

Description : Where can I buy a contact lens?

Last Answer : 1800contacts.com is a great resource.

What are the advantages and disadvantages of using contact lens?

Description : What are the advantages and disadvantages of using contact lens?

Last Answer : Some of the adventages are wider field of view and better with asymmetrical prescriptions. Some of the disadvantages are high maintenance costs and long time required for fitting and adaptation.

What different colors are available in cosmetic contact lens?

Description : What different colors are available in cosmetic contact lens?

Last Answer : You can get most natural eye colors as contact lenses including blue, green, brown, and violet. You can also get novelty lenses such as whiteout, red, skulls, et cetera.

Where can I get a pair of red contact lens?

Description : Where can I get a pair of red contact lens?

Last Answer : You can dye your own contact lenses using red food coloring, but I would suggest against it because according to some doctors, it hurts your eyes. Alternatively, http:// ... /online-shop/red-contact-lenses.cfm?sCurrencyCode=USD&gclid=CKWimrvvyKoCFQ6AgwodzX7Qzw has some already dyed contact lenses.

What brand of contact lens are made for astigmatism?

Description : What brand of contact lens are made for astigmatism?

Last Answer : Yes, there are indeed contact mafe for people with astigmatism. Acuvue makes a great set of contacts for people with astigmatism.

Am I eligible to fill my contact lens prescription online?

Description : Am I eligible to fill my contact lens prescription online?

Last Answer : You can get your contacts filled online. This though it not suggested. This is for the simple fact that if the contacts are order wrong you be without vision for a long time until it is corrected.

Pick up the correct statement from the following: (A) The power of a lens is the reciprocal of its focal length (B) The unit of power of the lens is Diopter (C) The power of two or more thin lenses in contact is the power of the combination of the lenses (D) All the above

Description : Pick up the correct statement from the following:  (A) The power of a lens is the reciprocal of its focal length  (B) The unit of power of the lens is Diopter  (C) The power of two or more thin lenses in contact is the power of the combination of the  lenses  (D) All the above 

Last Answer : (D) All the above 

Unilateral aphakia is likely to be corrected by any of the following except: a. Anterior chamber intraocular lens b. Posterior chamber intraocular lens c. Contact tens d. Glasses

Description : Unilateral aphakia is likely to be corrected by any of the following except: a. Anterior chamber intraocular lens b. Posterior chamber intraocular lens c. Contact tens d. Glasses 

Last Answer : ANSWER: D  

Advanced keratoconus is least to be corrected when treated by: a. Hard contact Lens, b. Rigid gas permeable (RGP) contact lens c. Spectacles. d. Keratoplasty.

Description : Advanced keratoconus is least to be corrected when treated by: a. Hard contact Lens, b. Rigid gas permeable (RGP) contact lens c. Spectacles. d. Keratoplasty.  

Last Answer : ANSWER: C  

A female patient 18 years old, who is contact lens wearer since two years, is complaining of redness, lacrimation and foreign body sensation of both eyes. On examination, visual acuity was 6/6 with negative fluorescein test. The expected diagnosis can be: a. Acute anterior uveitis. b. Giant papillary conjunctivitis. c. Bacterial corneal ulcer. d. Acute congestive glaucoma

Description : A female patient 18 years old, who is contact lens wearer since two years, is complaining of redness, lacrimation and foreign body sensation of both eyes. On examination, visual acuity ... uveitis. b. Giant papillary conjunctivitis. c. Bacterial corneal ulcer. d. Acute congestive glaucoma  

Last Answer : ANSWER: B