Presbyopia is 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...

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

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

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

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...

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

"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...

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

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

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)...

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

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

Iris, front view. Accommodation reflex Cycloplegia Extraocular muscle Presbyopia Gest, Thomas R; Burkel, William E. "Anatomy Tables - Eye." Medical Gross...

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

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...

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...

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

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...

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...

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

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

might be 20/15 to 20/10 (visual acuity of 1.3 to 2). Emmetropes with presbyopia might use lenses for near vision. Emmetropia is a state in which the eye...

surveillance trials of the Flexivue Microlens, a corneal inlay treatment for presbyopia, the age-related loss of near vision. He also conducts training sessions...

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

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

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

can be placed on top of text to magnify the letters so that people with presbyopia can read it more easily. Reading stones were among the earliest common...

Refractive error Hyperopia Myopia Astigmatism Anisometropia / Aniseikonia Presbyopia Vision disorders Blindness Pupil Anisocoria Argyll Robertson pupil Marcus...