0_Wizard
Hello, I just got back from the opticians and I'm proud to say I still have 20/20 vision!
Visual acuity (VA) commonly refers to the clarity of vision.
chosen_Visual_acuity_0
Visual acuity
chosen_topic_0_Visual_acuity
Optician
An optician, or "dispensing optician", is a technical practitioner who designs, fits and dispenses corrective lenses for the correction of a person's vision. Opticians determine the specifications of various ophthalmic appliances that will give the necessary correction to a person's eyesight. Some registered or licensed opticians also design and fit special appliances to correct cosmetic, traumatic or anatomical defects. These devices are called shells or artificial eyes. Other registered or licensed opticians manufacture lenses to their own specifications and design and manufacture spectacle frames and other devices.
Optometry
Optometry is a health care profession which involves examining the eyes and applicable visual systems for defects or abnormalities as well as the medical diagnosis and management of eye disease. Traditionally, the field of optometry began with the primary focus of correcting refractive error through the use of spectacles. Modern day optometry, however, has evolved through time so that the education curriculum additionally includes intensive medical training in the diagnosis and management of ocular disease in countries where the profession is established and regulated. Optometrists (also known as Doctors of Optometry in the US and Canada for those holding the O.D.
Association of British Dispensing Opticians
The Association of British Dispensing Opticians (ABDO) is the main professional association for opticians in the UK. ABDO was formed in 1986 from the merger of the Association of Dispensing Opticians and the Faculty of Dispensing Opticians, following the Health and Social Security Act of 1984. The profession of dispensing opticians has been regulated voluntarily since 1926 and, as a statutory profession, by the Opticians Act since 1958. Since such time the conduct of dispensing opticians has thus been regulated partly by legal provisions, by advice given by the General Optical Council, and by ABDO’s own Advice to Fellows.
General Optical Council
The General Optical Council (GOC) is an organisation in the United Kingdom which maintains a register of opticians and regulates the services provided by dispensing opticians and optometrists (ophthalmic opticians). The stated function of the GOC is ""to protect the public and promote high standards of professional conduct and education amongst opticians"". In order to work as (dispensing) opticians or optometrists in the UK, individuals must demonstrate to the GOC that they are suitably qualified and fit to practise. The GOC also maintains a register of companies who carry on business as opticians.
No Man's Sky
No Man's Sky is an action-adventure survival video game developed and published by the indie studio Hello Games for PlayStation 4 and Microsoft Windows. It was released worldwide in August 2016. The game is built around four pillars: exploration, survival, combat, and trading. Players are free to perform within the entirety of a procedurally generated deterministic open universe, which includes over 18 quintillion planets. Through the game's procedural generation system, planets have their own ecosystems with unique forms of flora and fauna, and various sentient alien species may engage the player in combat or trade within planetary systems.
Optics and vision
Visual perception is the ability to interpret information and surroundings from visible light reaching the eye. The resulting perception is also known as eyesight, sight or vision. The various physiological components involved in vision are referred to collectively as the visual system, and are the focus of much research in psychology, cognitive science, neuroscience and molecular biology. The visual system in humans allows individuals to assimilate information from the environment. The act of seeing starts when the lens of the eye focuses an image of its surroundings onto a light-sensitive membrane in the back of the eye, called the retina.
Visual acuity
Visual acuity (VA) commonly refers to the clarity of vision. Visual acuity is dependent on optical and neural factors, i.e., (i) the sharpness of the retinal focus within the eye, (ii) the health and functioning of the retina, and (iii) the sensitivity of the interpretative faculty of the brain. A common cause of low visual acuity is refractive error (ametropia), or errors in how the light is refracted in the eyeball. Causes of refractive errors include aberrations in the shape of the eyeball, the shape of the cornea, and reduced flexibility of the lens. Too high or too low refractive error (in relation to the length of the eyeball) is the cause of nearsightedness (myopia) or farsightedness (hyperopia) (normal refractive status is referred to as emmetropia).
1_Apprentice
My vision is pretty bad. I need glasses.
0_Wizard
I think it's very important to go to the opticians, If you don't take any action the clarity of your vision will keep deteriorating.
Visual acuity (VA) commonly refers to the clarity of vision.
self_Visual_acuity_0
Visual acuity
self_6_Visual_acuity
Optician
An optician, or "dispensing optician", is a technical practitioner who designs, fits and dispenses corrective lenses for the correction of a person's vision. Opticians determine the specifications of various ophthalmic appliances that will give the necessary correction to a person's eyesight. Some registered or licensed opticians also design and fit special appliances to correct cosmetic, traumatic or anatomical defects. These devices are called shells or artificial eyes. Other registered or licensed opticians manufacture lenses to their own specifications and design and manufacture spectacle frames and other devices.
Optometry
Optometry is a health care profession which involves examining the eyes and applicable visual systems for defects or abnormalities as well as the medical diagnosis and management of eye disease. Traditionally, the field of optometry began with the primary focus of correcting refractive error through the use of spectacles. Modern day optometry, however, has evolved through time so that the education curriculum additionally includes intensive medical training in the diagnosis and management of ocular disease in countries where the profession is established and regulated. Optometrists (also known as Doctors of Optometry in the US and Canada for those holding the O.D.
Jean Chrétien
Joseph Jacques Jean Chrétien (born January 11, 1934), known commonly as Jean Chrétien (), is a Canadian politician who served as the 20th Prime Minister of Canada from November 4, 1993, to December 12, 2003. Born and raised in Shawinigan, Quebec, Chrétien is a law graduate from Université Laval. He was first elected to the Canadian House of Commons in 1963. He served in various cabinet posts under prime minister Pierre Trudeau, most prominently as Minister of Justice, Minister of Finance, and Minister of Indian Affairs and Northern Development. He also served as deputy prime minister in John Turner's short-lived government.
General Optical Council
The General Optical Council (GOC) is an organisation in the United Kingdom which maintains a register of opticians and regulates the services provided by dispensing opticians and optometrists (ophthalmic opticians). The stated function of the GOC is ""to protect the public and promote high standards of professional conduct and education amongst opticians"". In order to work as (dispensing) opticians or optometrists in the UK, individuals must demonstrate to the GOC that they are suitably qualified and fit to practise. The GOC also maintains a register of companies who carry on business as opticians.
Association of British Dispensing Opticians
The Association of British Dispensing Opticians (ABDO) is the main professional association for opticians in the UK. ABDO was formed in 1986 from the merger of the Association of Dispensing Opticians and the Faculty of Dispensing Opticians, following the Health and Social Security Act of 1984. The profession of dispensing opticians has been regulated voluntarily since 1926 and, as a statutory profession, by the Opticians Act since 1958. Since such time the conduct of dispensing opticians has thus been regulated partly by legal provisions, by advice given by the General Optical Council, and by ABDO’s own Advice to Fellows.
Optometry in Singapore
Optometry is a health care profession that provides comprehensive eye and vision care, which includes the diagnosis and management of eye diseases. In Singapore, optometrists undergo a 3-year Diploma in Optometry program. Graduates of this program are able to register with the Optometrists and Opticians Board. They are considered pre-registered and will have to complete a one-year provisional registration, under the supervision of a full registered optometrists, before being fully registered and able to individually practice optometry in Singapore. Provisionally registered optometrists have to complete a logbook for submission to the Optometrists & Opticians Board.
Contact lens
A contact lens, or simply contact, is a thin lens placed directly on the surface of the eye. Contact lenses are considered medical devices and can be worn to correct vision, or for cosmetic or therapeutic reasons. In 2004, it was estimated that 125 million people worldwide use contact lenses, including 28 to 38 million in the United States. In 2010, the worldwide market for contact lenses was estimated at $6.1 billion, while the US soft lens market was estimated at $2.1 billion. Multiple analysts estimated that the global market for contact lenses would reach $11.7 billion by 2015. , the average age of contact lens wearers globally was 31 years old, and two-thirds of wearers were female.
1_Apprentice
I was thinking about getting contacts.
0_Wizard
I have several friends with contact lenses. They're very thin and comfortable now, they used to be made out of glass which was painful to the user.
A contact lens, or simply contact, is a thin lens placed directly on the surface of the eye.
self_Contact_lens_0
Contact lens
self_6_Contact_lens
Contact lens
A contact lens, or simply contact, is a thin lens placed directly on the surface of the eye. Contact lenses are considered medical devices and can be worn to correct vision, or for cosmetic or therapeutic reasons. In 2004, it was estimated that 125 million people worldwide use contact lenses, including 28 to 38 million in the United States. In 2010, the worldwide market for contact lenses was estimated at $6.1 billion, while the US soft lens market was estimated at $2.1 billion. Multiple analysts estimated that the global market for contact lenses would reach $11.7 billion by 2015. , the average age of contact lens wearers globally was 31 years old, and two-thirds of wearers were female.
Corrective lens
A corrective lens is a lens typically worn in front of the eye to improve vision. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye. Contact lenses are worn directly on the surface of the eye. Intraocular lenses are surgically implanted most commonly after cataract removal, but can be used for purely refractive purposes. Corrective lenses are typically prescribed by an ophthalmologist or an optometrist. The prescription consists of all the specifications necessary to make the lens.
Effects of long-term contact lens wear on the cornea
Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake, etc. Other changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris) as well as the emergence of polymegethism in the corneal endothelium. Decreased corneal sensitivity, vision loss, and photophobia have also been observed in patients who have worn contact lenses for an extended period of time. Many contact lens-induced changes in corneal structure are reversible if contact lenses are removed for an extended period of time.
Optician
An optician, or "dispensing optician", is a technical practitioner who designs, fits and dispenses corrective lenses for the correction of a person's vision. Opticians determine the specifications of various ophthalmic appliances that will give the necessary correction to a person's eyesight. Some registered or licensed opticians also design and fit special appliances to correct cosmetic, traumatic or anatomical defects. These devices are called shells or artificial eyes. Other registered or licensed opticians manufacture lenses to their own specifications and design and manufacture spectacle frames and other devices.
Keratoconus
Keratoconus (KC) is a disorder of the eye which results in progressive thinning of the cornea. This may result in blurry vision, double vision, nearsightedness, astigmatism, and light sensitivity. Usually both eyes are affected. In more severe cases a scarring or a circle may be seen within the cornea. While the cause is unknown, it is believed to occur due to a combination of genetic, environmental, and hormonal factors. About seven percent of those affected have a family history of the condition. Proposed environmental factors include rubbing the eyes and allergies. The underlying mechanism involves changes of the cornea to a cone shape.
Bausch &amp; Lomb
Bausch + Lomb is an American eye health products company based in Bridgewater, New Jersey. It is one of the world's largest suppliers of contact lenses, lens care products, pharmaceuticals, intraocular lenses, and other eye surgery products. Founded in Rochester, New York in 1853 by optician John Bausch and financier Henry Lomb, Bausch + Lomb is one of the oldest continually operating companies in the US. Bausch + Lomb was a public company listed on the NYSE until it was acquired by private equity firm Warburg Pincus in 2007. In May 2013, it was announced that Canadian-based Valeant Pharmaceuticals would acquire Bausch + Lomb from Warburg Pincus for $8.57 billion in cash.
Orthokeratology
Orthokeratology (also referred to as Ortho-K, Overnight Vision Correction, Corneal Refractive Therapy and CRT), refers to the creation of gas permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia, hyperopia and astigmatism. This method can be used as an alternative to eyeglasses, refractive surgery, or for those who prefer not to wear contact lenses during the day. Orthokeratology is most often used for candidates with up to -6.00 diopters of myopia. Doctors discovered the reshaping phenomena of glass lenses as early as the 1940s. This history of orthokeratology includes contributions made by Jessen, Ziff, Nolan, Paige, Gates, May, Grant, Fontana, Tabb, Freeman, Shed, Kerns, and Binder to the use of contact lenses for myopia reduction.
1_Apprentice
Yes I think they are very useful but glasses seem esaier to deal with.