Presbyopia is a physiological insufficiency of optical accommodation associated with the aging of the eye; it results in progressively worsening ability...

the reading distance. When this occurs the patient is presbyopic. Once presbyopia occurs, those who are emmetropic (i.e., do not require optical correction...

old. It then becomes more common again after the age of 40, known as presbyopia, affecting about half of people. The best treatment option to correct...

far-sightedness, astigmatism, and presbyopia. Near-sightedness results in far away objects being blurry, far-sightedness and presbyopia result in close objects...

done after correcting visual acuity at a distance. Eye conditions like presbyopia, accommodative insufficiency, cycloplegia etc. can affect the near visual...

(FDA) approved pilocarpine hydrochloride as an eye drop treatment for presbyopia, age-related difficulty with near-in vision. It works by causing the pupils...

and short distances. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism...

"mischaracterization of results". A type of LASIK, known as presbyLasik, may be used in presbyopia. Results are, however, more variable and some people have a decrease in...

alters over time. A common condition in people over forty years old is presbyopia, which is caused by the eye's crystalline lens losing elasticity, progressively...

implants. Marginal indications for RLE are presbyopia without ametropia, using a multifocal lens implant, presbyopia with underlying astigmatism, and prepresbyopoa...

are used to treat common vision disorders such as myopia, hyperopia, presbyopia and astigmatism. The first theoretical work on the potential of refractive...

errors such as myopia, high hypermetropia, and astigmatism, amblyopia, presbyopia, pseudomyopia, diabetes, cataract, pernicious anemia, vitamin B12 deficiency...

which leads to difficulty focusing on close objects, or presbyopia. Most people experience presbyopia by age 45–50. The cause is lens hardening by decreasing...

Laser blended vision is a laser eye treatment which is used to treat presbyopia (ageing eyes; progressive loss of the ability to focus on nearby objects)...

Progressive lenses are corrective lenses used in eyeglasses to correct presbyopia and other disorders of accommodation. They are characterised by a gradient...

physiological limits for his age. AI is generally considered separate from presbyopia, but mechanically both conditions represent a difficulty engaging the...

is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front...

– (etafilcon A) hydrogel material (also available for astigmatism and presbyopia). Introduced in 2006. 1-Day Acuvue Define – (etafilcon A) hydrogel material...

trifocal lens in 1827. Trifocals are mostly used by people with advanced presbyopia who have been prescribed 2 diopters or more of reading addition. The intermediate...

re-present a second time with further vision loss due to the early onset of presbyopia symptoms (i.e., difficulty in viewing objects up close). DOA is characterized...

ones do not (H27) Hypermetropia - Nearby objects appears blurry (H28) Presbyopia - inability to focus on nearby objects (H30) Chorioretinal inflammation...

on nearby objects. This results in similar problems as those caused by presbyopia, in which the lens has lost elasticity and can also no longer focus on...

was the first modern[clarification needed] progressive lens to correct presbyopia. The progressive lens is characterized by correcting near, intermediate...

longer initial adjustment period, and more involved fitting. Correction of presbyopia (a need for a reading prescription different from the prescription needed...

glaucoma (2%). Refractive errors include near-sightedness, far-sightedness, presbyopia, and astigmatism. Cataracts are the most common cause of blindness. Other...

adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired...

which is surgically implanted in the cornea of the eye as a treatment for presbyopia. Successful installation results in reducing dependence on reading glasses...

surveillance trials of the Flexivue Microlens, a corneal inlay treatment for presbyopia, the age-related loss of near vision. The Flexivue Microlens is a 3 mm...

engraving machines, in ophthalmological laser systems for the treatment of presbyopia, in confocal microscopy, in laser printers, in laser shows, in Laser TV...

hyperopia or presbyopia would have a near point that is farther than normal. Sometimes, near point is given in diopters (see Presbyopia § Mechanism),...