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Glasses and Eyewear
Glasses or spectacles are frames which hold corrective lenses and are worn in front of the eyes on the face. Frames come in many shapes, colors and styles. Lenses help correct; nearsightedness, farsightedness and other eye disorders. Some spectacles are magnifiers and opera glasses. Ask questions here about lenses, bifocals, progressive lenses, and prescriptions here.
495 Questions
Medi-Cal covers some level of dental service for virtually every Medi-Cal recipient. The level depends on the category of aid the person is receiving. Most children are eligible for a pretty comprehensive range of services, including exams, x-rays, preventive services like fluoride applications and dental sealants, fillings, extractions and, in some cases even orthodontics.
Fewer services are available to most adults because of budget cuts implemented in July 2009. Most adults are limited to services for the relief of pain, trauma or infection, e.g., extractions, sedative fillings. Pregnant adults are eligible for some preventive services and some periodontal (gum) treatment, but not fillings. Most adults who reside in nursing facilities are eligible for the same full scope of services as most children.
No, however the two most popular 3D technology companies in the theaters are RealD and Master Image. So your glasses have to correspond to their format. I know a company, Visual World Products, that makes 3D glasses that work on both formats perfectly.
Can someone please tell me how glass paper is made?
Its for my homework.
Thanks
x
Where was the movie The Talented Mr Ripley filmed?
The novel was set in Venice in its latter parts. Tom Ripley, the protagonist, moves there to avoid capture by the police. The rest of the novel is set in New York City and throughout Italy, including the Amalfi Coast, Naples and Rome.
There are two kinds of 3D glasses, shutter glass and polarizing. The shutter glasses are used for Active type 3D models and run with batteries. Polarizing glasses are used for Passive 3D TVs and they do not require batteries.
I personally suggest taking a look at a affordable but really fashionable VR glass which must be the pretty new hottest item during 2016 specifically for cell phone ,you could enjoy the distinctive open scenes and unique 3D picture after putting your cell phone into the glass,just check out onu-mall.com/vr-virtual-reality-3d-video-glasses-for-iphone-6-plus--samsung-galaxy-s6-etc--3-5-inch--6-0-inch-android-ios-smartphone-black.html
Can a green beret wear glasses?
Now this is a vauge question. Green Berets can wear sunglasses, Yes. If you are talking about glasses to improve eyesight then the answer is Yes and No. If youre vision is 20/20 with glasses then yes you can wear them but only if you are willing to get them dirty!
Films have a great effect on youth. Most of the time it helps expand their minds. Other times it can harm them depending on what kind of films they are watching.
What is the difference between eagle vision 4.0 lenses and varilux comfort lenses?
The Eagle Vision 4.0 is Visionworks's (Binyon's) Private Label digital progressive in the trivex lens material. I've never sen it but it should at least have better peripheral vision and maybe a wider reading area than the Varilux Comfort, depending on the way i is manufactured.
Italian Salvino D'Armate of Florence is credited with inventing the first pair of wearable eyeglasses in 1284. It is said a memorial once stood, honoring him, but it no longer exists. However, Egyptian hieroglyphs dating to the first century AD show people using glass sheets as a manner of vision correction.
As early as 700 BC, the Assyrians used polished crystal to magnify objects. Ancient Egypt and Babylon used similar objects and the ancient Romans and Greeks filled glass spheres with water for the same purpose.
Seneca, the Roman philosopher, wrote about filling transparent vessels with water in order to magnify objects seen through them. Emperor Nero, who reigned during Seneca's lifetime, is said to have used the first monocle, an emerald held in front of one eye as a lens to better see at distances.
Sometime between the 11th and 13th centuries, monks used reading stones to help them see the manuscripts they were illuminating. These reading stones were made by cutting glass spheres in half and holding them over the text or artwork needing magnification.
Roger Bacon, the forerunner of modern science, wrote of the magnification properties of lenses in 1262. His observations, based on experiments, were used by later scientists in the burgeoning studies of the natural sciences.
In conjunction with the Age of Enlightenment, during which new ideas about scientific subjects like earth sciences and astronomy were developed, optics became an important topic.
Others, like Alessandro di Spina, were also given credit for the first eyeglasses, and though doubt exists as to the actual inventor, all prototypes were probably invented in Italy late in the thirteenth century. The use of eyeglasses was depicted in several artworks created in the fourteenth and fifteenth centuries, giving credence to the existence of spectacles during this period.
Hyperopia, or farsightedness, and presbyopia, the vision problem that develops with age, were the first eye conditions for which glasses were invented. These armless convex-lensed glasses, called pince-nez, were pinched together to sit on the bridge of the nose. Over the years, various contraptions were used to hold the lenses, from a ribbon attached to the lenses and wrapped around the wearer's head to lorgnettes that held the lenses atop a long handle. Others with attached handles that operated like scissors were called scissors-glasses.
Edward Scarlett of Great Britain invented the first earpieces similar to what are used today.
Lenses for nearsightedness, or myopia, weren't discovered until later, when Nicholas of Cusa is credited with using concave lenses for this condition. In his 1604 paper on optics and astronomy.
German astronomer Johannes Kepler offered a scientifically correct explanation of the effectiveness of concave and convex lenses to correct vision deficits. His treatise formed the basis of today's optical science.
In 1784, almost two centuries after Kepler's writing, Benjamin Franklin invented the first pair of bifocals. Reportedly suffering from both myopia and presbyopia, Franklin was attempting to avoid the aggravation of switching between pairs of glasses to read or to see distant objects. His invention had a frame that held two lens sections together. The idea of cementing these two lenses together was not conceived for another one hundred years.
Since then, the technology for eyeglass lenses and frames has improved, contact lenses have been developed, and lasers are used to correct some vision problems. What was a tremendous mystery centuries ago is now an ordinary part of most people's lives. the the ps3
Some say it was Benjamin Franklin who invented bifocals.
Salvino D'Armate, an Italian, created the first wearable eye glasses in 1824. Benjamin Franklin, and American scientist, invented bifocals in 1784 to avoid having to regularly switch between two pairs of glasses.
no one knows who invented the spactales...they date back as a simple mag. glass in 4 BC
Salvino D'Armate invented the first wearable eyeglasses; however, Egyptian heirogliphics depict people holding sheets of glass to correct vision. Ben Franklin only cut his two pair of eyeglasses in half and put them together to be credited with the first bi-focal.
Salvino D'Armate is credited with making the first workable pair of glasses in 1284. Benjamin Franklin devised a way to make a pair of glasses with bifocal lenses in the mid 1700s.
Why do you have to blink your eyes?
you must blink your eyes so water in your eye will come and keep the eye from drying
What is the clothing machine recipe for Tabby's Glasses on Webkinz?
As of July 2010, no one knows the recipe. I think it might have the Black Glasses in it.
Please send a Webkinz friend request to me! My username is PixiaGirl814.
hey i have 3 accounts send a request to me hannahspring0
hannahbum111 and hannahbum789 hanks
How can you make a magnifing glass?
Glass has to be ground. The grinder is expensive because it is a precision machine. You can buy magnifying glasses very cheaply, so there is no reason for you to try to grind your own.
Mirrors for astronomical telescopes are often made by hand. That is not a hard process but you have to have a room for the purpose, and it takes some time. Even then it is cheaper and easier to buy one already made.
See related links for websites with instructions to make things that might interest you.
Will you need far or near glasses after Cataract Surgery?
Now when they remove the cloudy lenses in Cataract Surgery they replace them with plastic lenses focused for far vision, so you will need glasses for near vision. Many people get bifocals with no prescription for the main lens part and the near vision prescription for the bifocal part. Other people just carry prescription near vision glasses for when they need to look at things close up but normally wear no glasses at all.
Years ago (before they began putting in plastic lenses) everyone needed glasses all the time after having Cataract Surgery, because there was no longer any lens in the eye to focus the light.
In 1888, Adolf Fick was apparently the first to successfully fit contact lenses, which were made from blown glass
How do you calculate power of a lens?
Reciprocal of focal length is the power P = 1/f and it's measured in dioptre (D).
What percent of people wear glasses?
according to a article i just read 96 million people
66% in the United States of America
Glass was first "created" for human use by the Syrians and then later by the Romans.
More specifically, according to Pliny the Elder, it was the Phoenicians that first invented glass.
Glass blowing was invented by the Syrians in the 1st century BC.
Another opinion
Glass wasn't invented, it was discovered "by Mesopotamians near 35000BCE..."
Do people with glasses have migraines?
Some with migraines do wear glasses. But a headache caused by bad vision is not the same as headaches caused by migraines. If you need glasses and don't have them, you might get a headache, and you can get headaches if your prescription is wrong.
How can you make your arms look more toned in 10 days or as soon as possible?
Buy 2 5lb. weights from Wal-Mart for $5.00 Each and start using them. If you don't have muscle already you could see results in 3-4 weeks. If you already have a little muscle it could be longer. That's about the quickest you'll do it, but the wait is well worth it.
hello,first of all does the bump you have,have any color ?i have 2 bumps on top of my head for years they have no color to it and they dont hurt ,sometimes i had another bump which hurted and turned out to be a insekt bite.you should keep an eye on it and let someone take a look if its in a different color then your scalp,if it stays same for 5 days go see a doctor. good luck
Sounds to me like a "bonk on the noggin". Have you been in any type of accident recently. If you are not having other symptoms such as blurred vision, nausea, vomiting, dizziness, etc. You can probably wait a few days and see what happens. Or schedule a doctor's appt. to get checked out. If however, you are having other problems. I would seek treatment at the nearest emergency center.
I read your question and I myself have been looking for an to a hard lump on my daughter's head. She has had it for months. I've waited this long to take her to the doctor because it does hurt her when you push on it so I was hopeing it was an ingrown hair and go ahead and come to a head so it can get well. I don't see that happening so I'm leaning more toward a cyst and I 'll be taking her to a doctor. If you aren't seeing your lump coming to a head even after appling warm rags, maybe you should also see about seeing a doctor. Ingrown hairs/cysts can become larger and make deep holes. Ofcourse an infection can also start but infection of the lump would'nt be a horrible thing considering then it would come to a head and we would'nt need a doctor.
Hello, I had the same exactly like u described it. No prior history of any elergies at all. Suddently one morning I had them. Ignored it for about 1 week then started doing some research over the internet and tried taking doc's appointment. PCP Doc wouldn't give me appointment for another 1 week. Stupid Docs. Spoke to a doc friend. He prescribed me "Methylprednisolone" There are 21 4mg tabs to be taken over 6 days in reducing quatities. first day u take 6 tab and reduce the ammoutn of tab as days go by and complete the course. Took these tab and everything disappeared. Saw difference right from first day. I was glad i did not go to the PCP. I would have spent $20 for visiting the PCP , another $30 for visiting the skin specialist and then another $20 for the tablets. I spents $16 for the tab, paid without insurance and the problem was taken care of. Passing on the experience.
The date when result will be announcd of DAE by PBTE?
The date at which the DAE results will be announced by PBTE is not yet known with precision. However, it is expected that they will publish the results sometime in August 2014.
Can a phoropter tests nearvision when the patient looks down?
The manual phoropter may be used to verify the glasses or contact lens Rx. The near vision correction (e.g., for "bifocal" or near reading) is verified by slightly converging (crossing) the two eyes during the exam. Generally the patient does not look down through the phoropter.
