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• Javal's rule
  ...lationship between the refractive power of the [[cornea]] and the [[lens]] in the human eye. ..., and astronomer who made significant contributions to the field of optics in the early 17th century.
  2 KB (237 words) - 21:34, 8 February 2024
• Intraocular lenses
  ...ed from the Latin word "lens", which means "lentil", due to the similarity in shape. ...nses provide clear vision at multiple distances by shifting their position in the eye.
  2 KB (207 words) - 21:28, 14 February 2024
• Keratoconus
  ...assume a conical shape, which can lead to distorted vision, [[myopia]], [[astigmatism]], and light sensitivity. * [[Astigmatism]]
  1 KB (188 words) - 17:32, 6 February 2024
• Keratotomy
  ...eaning "horn" and "tome" (τομή) meaning "cutting". The term was first used in the medical field to describe a surgical procedure involving the incision o ...eratotomy]] (AK), which involves making incisions in the cornea to correct astigmatism.
  2 KB (201 words) - 02:23, 6 February 2024
• Focometer
  ...al need for affordable and accessible [[eye care]] solutions, particularly in low-resource settings. ...ent of [[myopia]] (nearsightedness), [[hyperopia]] (farsightedness), and [[astigmatism]].
  2 KB (237 words) - 16:27, 5 February 2024
• Keratometer
  ...ism]]. It was invented by the French ophthalmologist [[Louis Émile Javal]] in the 19th century. ...iving an indication of the cornea's curvature. This information is crucial in diagnosing and managing corneal conditions, fitting contact lenses, and pre
  2 KB (243 words) - 17:41, 6 February 2024
• Orthokeratology
  ...t surface of the eye, while the patient sleeps. Upon removal of the lenses in the morning, the cornea temporarily retains the new shape, often allowing c ...astigmatism]], and occasionally [[Presbyopia|presbyopia]]. It is also used in the management of [[Keratoconus|keratoconus]], a progressive eye disease th
  2 KB (239 words) - 01:14, 8 February 2024
• Stenopaeic slit
  ...rm used in [[Ophthalmology]] to refer to a narrow, elongated aperture used in certain eye examinations and treatments. The term is derived from the Greek ...sual acuity in certain conditions such as [[astigmatism]]. It is also used in the diagnosis of various eye conditions, as it allows for a more focused ex
  1 KB (171 words) - 20:04, 9 February 2024
• Photorefractive keratectomy
  ...]], [[hyperopia]], and [[astigmatism]]. This procedure was first performed in the late 1980s and is considered a precursor to the more commonly known [[L ...Also known as nearsightedness, a condition of the eye where light focuses in front of, instead of on, the retina.
  2 KB (298 words) - 14:49, 11 February 2024
• Eyeglass prescription
  * '''[[Sphere (SPH)]]''': This indicates the amount of lens power, measured in diopters (D), prescribed to correct nearsightedness or farsightedness. * '''[[Cylinder (CYL)]]''': This indicates the amount of lens power for astigmatism.
  2 KB (287 words) - 05:56, 11 February 2024
• Corrective lens
  ...ia]], [[astigmatism]], and [[presbyopia]]. Corrective lenses are also used in various forms of [[telescope]] to correct [[spherical aberration]]. ...d "lens", from the Latin "lentis", meaning "lentil", due to the similarity in shape.
  1 KB (192 words) - 16:55, 9 February 2024
• PRK
  ...of [[refractive surgery]] used to correct [[myopia]], [[hyperopia]], and [[astigmatism]]. The term "PRK" is derived from the Greek words "photo" meaning light, "r ...Also known as nearsightedness, a condition of the eye where light focuses in front of, instead of on, the retina.
  2 KB (287 words) - 21:02, 12 February 2024
• Corneal ectasia
  ...The condition can also lead to [[myopia]] (nearsightedness) and irregular astigmatism, which can further impair vision. Corneal ectasia is often caused by a decrease in protective [[antioxidants]] in the cornea. This can lead to oxidative damage and a weakening of the cornea
  1 KB (185 words) - 06:29, 13 February 2024
• Aniseikonia
  ...of one eye compared to the other (refractive aniseikonia) or a difference in the size or shape of one eye (structural aniseikonia). Aniseikonia can be caused by a variety of factors, including [[astigmatism]], [[myopia]], [[hyperopia]], [[cataract]] surgery, [[retinal detachment]]
  1 KB (186 words) - 15:02, 6 February 2024
• Keratomileusis
  ...of [[refractive surgery]] used to correct [[myopia]], [[hyperopia]], and [[astigmatism]]. The term is derived from the Greek words "kerato," meaning cornea, and " ...ified and popularized as [[LASIK]] (Laser-Assisted In Situ Keratomileusis) in the 1990s.
  1 KB (179 words) - 22:13, 7 February 2024
• Keratometry
  ...urface of the [[Cornea]], primarily for assessing the extent and axis of [[Astigmatism]]. * [[Astigmatism]]: A common vision condition that causes blurred vision due to the irregula
  1 KB (194 words) - 04:21, 14 February 2024
• Epi-LASIK
  ...pi", meaning "upon" or "over", and "LASIK", an acronym for "Laser-Assisted In Situ Keratomileusis". In an Epi-LASIK procedure, a thin flap of the [[cornea]]'s surface (epithelium
  1 KB (196 words) - 16:41, 5 February 2024
• Laser eye surgery
  * [[LASIK]] (Laser-Assisted In Situ Keratomileusis) * [[Astigmatism]]
  2 KB (221 words) - 22:49, 14 February 2024
• Terrien's marginal degeneration
  ...') is a rare, slowly progressive [[corneal disease]] that typically begins in the superior peripheral [[cornea]] and gradually extends circumferentially ...ed after French ophthalmologist [[Joseph Terrien]], who first described it in 1900.
  2 KB (181 words) - 04:02, 12 February 2024
• Refractive surgery
  ...refers to the bending of light as it passes through one medium to another. In this case, it refers to the bending of light as it enters the eye and is fo * [[LASIK]] (Laser-Assisted In Situ Keratomileusis)
  2 KB (223 words) - 17:20, 10 February 2024

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