Definition of Presbyopia. Meaning of Presbyopia. Synonyms of Presbyopia

Here you will find one or more explanations in English for the word Presbyopia. Also in the bottom left of the page several parts of wikipedia pages related to the word Presbyopia and, of course, Presbyopia synonyms and on the right images related to the word Presbyopia.

Definition of Presbyopia

Presbyopia
Presbyopia Pres`by*o"pi*a[NL., from Gr. ? old, n., an old man + ?, ?, the eye.] (Med.) A defect of vision consequent upon advancing age. It is due to rigidity of the crystalline lens, which produces difficulty of accommodation and recession of the near point of vision, so that objects very near the eyes can not be seen distinctly without the use of convex glasses. Called also presbytia.

Meaning of Presbyopia from wikipedia

- Presbyopia is physiological insufficiency of accommodation ****ociated with the aging of the eye that results in progressively worsening ability to focus...
- the reading distance. When this occurs the patient is presbyopic. Once presbyopia occurs, those who are emmetropic (i.e., do not require optical correction...
- hyperopia or presbyopia would have a near point that is ****her than normal. Sometimes, near point is given in diopters (see Presbyopia § Mechanism),...
- 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...
- distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism...
- experienced before. A type of LASIK, known as presbyLasik, may be used in presbyopia. Results are, however, more variable and some people have a decrease in...
- Iris, front view. Accommodation reflex Cycloplegia Extraocular muscle Presbyopia Gest, Thomas R; Burkel, William E. "Anatomy Tables - Eye." Medical Gross...
- Progressive lenses are corrective lenses used in eyegl****es to correct presbyopia and other disorders of accommodation. They are characterised by a gradient...
- are used to treat common vision disorders such as myopia, hyperopia, presbyopia and astigmatism. The first theoretical work on the potential of refractive...