High-index lenses Eyeglass lenses that offer a higher index of refraction than standard lenses and can accommodate stronger prescription strengths. Without these incentives, companies would be unable to Dioptre: A unit of power of a lens, the reciprocal of the focal length of the lens. An incorrect PD can cause eyestrain. Your vision won't be sharp, and. blepharoconjunctivitis Inflammation of the eyelid and conjunctiva. In vision, ablation refers to the surgical removal of eye tissue to correct a refractive error such as myopia. overflow tearing - Common congenital condition in infants and developmental condition in We use cookies to give you a better online experience. Dictionary of Eye Terminology . Vitreo-retinal surgery: Surgical procedures involving the vitreous or the retina. Myelin is essential to transmission of nerve impulses carrying information to and from various parts of the body. The cause is usually unknown. Circular area where the optic nerve enters the retina, and the location of the eye's blind spot. The aqueous humor (or aqueous) is produced by the ciliary body behind the iris and drains from the anterior chamber of the eye through the trabecular meshwork Failure of the aqueous humor to drain properly from the eye increases intraocular pressure (IOP) and can lead to glaucoma. binocular vision Ability of both eyes to work together to achieve proper focus, depth perception and range of vision. blepharitis Inflammation of the eyelid(s), typically around the eyelashes. When the FDA grants orphan drug status, a company may be qualified for special grants, tax breaks or other incentives to help defray research and production costs. astigmatism A refractive error where objects at all distances have a distorted appearance ("streaked" or stretched, with elongated shapes and unequally blurred borders). Nylon fiber frames Eyewear frames made from nylon, which is often blended with other materials for added durability. optician: medical specialist who fills prescriptions for lenses, optometrist: health professional who prescribes corrective lenses, optometry: the measurement of visual acuity, audiologist: a medical specialist who studies hearing and hearing disorders, otologist: physician who diagnoses and treats ear diseases. These ruptures lead to hampered blood flow as well as swelling and leakage that sometimes cause scarring, blind spots and blindness. Excimer laser: A type of laser which emits in the ultraviolet range of the spectrum. nystagmus - Rapid and involuntary eye movement that is oscillating and non-chaotic. Posterior capsule opacification: Thickening of the lens capsule following cataract surgery. Accommodation disorders have a variety of causes. This glossary of terms is not comprehensive, but serves as a guide for patients to understand commonly used ophthalmic terms. right eye. Identifying Word Parts in Medical Terms and Language Rules, Body Cavities, Serous Membranes, and Tissue Membranes, Basic Anatomy & Physiology of the Musculoskeletal System, Medical, Surgical & Viewing Terms and Abbreviations, Basic Anatomy & Physiology of the Endocrine System, Physiology of the Blood Vessels and Blood, Anatomy and Physiology of the Lymphatic System, Anatomy and Physiology of the Respiratory System, Anatomy and Physiology Urinary of the System, Anatomy and Physiology of the Male Reproductive System, Anatomy and Physiology of the Female Reproductive System, Word Parts and Obstetric & Neonatology Terms, tympan/o: can mean tympanic membrane, but usually means middle ear, vestibul/o: vestibular system responsible for the sense of balance, a-, an-: absence of, without, no, not; negates meaning, -ectomy: excision or surgical removal (noun), -ia: condition of, diseased or abnormal state (noun), -logist: specialist or physician who studies and treats (noun), -meter: instrument used to measure (noun), -opia: vision, as it relates to a condition (noun), -ptosis: prolapse, drooping, sagging (noun), -phobia: abnormal fear, aversion to specific things (noun), -stomy: creation of artificial opening (noun). The condition is not well understood, but appears associated with aging. JODM - Juvenile onset diabetes mellitus. The technique has various applications, including: harvesting of needed components such as plasma or white blood cells; and removing harmful components such as large proteins, in order to treat the dry form of age-related macular degeneration (AMD). AMD. 42 Craven Street Ophthalmology/Optometry Eye Abbreviations By Timothy Root, MD 166 Share on Facebook Tweet on Twitter A or Acc accommodation AC anterior chamber AC/A accommodative convergence/accommodation ratio ACIOL anterior chamber intraocular lens ALT argon laser trabeculoplasty APD afferent pupil defect Chronic open-angle glaucoma. Check to ensure the fashion sunglasses you order come with 100% UV protection. Beta blockers also are used to control high blood pressure Spell the eye and ear medical terms and use correct abbreviations. Tolosa-Hunt Syndrome, often called "painful ophthalmoplegia," is characterized by intense pain behind the eye and a headache. oculus Uterque (both eyes) Learn more about ortho-k. OS - Abbreviation for "oculus sinister," the Latin term for "left eye.". Read more about astigmatism. emmetropia: normal refractive condition of the eye: intraocular: pertaining to within the eye, nasolacrimal: pertaining to the nose and tear ducts, optical: pertaining to the sense of vision, vestibular: pertaining to the vestibule or the sense of balance, vestibulocochlear: pertaining to the vestibule and cochlea. AMD or ARMD (age-related macular degeneration) Disorder characterized by the gradual loss of central vision due to a damaged macula (which is made up of retinal cones necessary for sight). nasolacrimal: pertaining to the nose and tear ducts. Presbyopia is an accommodation disorder that affects everyone if they become old enough, since its causes relate to the aging of the eyes. Symptoms of astigmatism include squinting, eye strain, headaches and reading problems. The patient may be found squinting and closing one eye to see; there may be unrecognized blurred vision in one eye and vision loss. Hyperopia (or hypermetropia): Long-sightedness, requiring a convex lens to focus the vision. Use the right and left arrows to toggle through the cards in each set. All About Vision does not provide medical advice, diagnosis or treatment. multifocal - Type of spectacle lens, intraocular lens (IOL) or contact lens design that includes more than one area through which the eye focuses. Medical Terminology: An Interactive Approach by LOUIS: The Louisiana Library Network is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted. monochromatic - Refers to one wavelength of light, as opposed to the many wavelengths of light found in varying colors. When OD is part of your lens prescription, it is the abbreviation for the Latin term Ocular Dexter, which means "right eye." When OD is written next to your eye doctor's name, it is the professional abbreviation for Doctor of Optometry. acquired by those with compromised immune systems and by diabetics. What does OD mean? Common symptoms include bone pain and fractures. (Please visit the Opticians Association of America website for licensing requirements for various states.) A UV coating comes standard on all polycarbonate and high-index lenses from FramesDirect.com. overconvergence - Condition in which the eyes come too far inward when focusing on a near object, resulting in blurring. LSOT. When completing this chapter, the learner will be able to do the following: Identify the anatomy of the eye and ear system. such as bifocals or trifocals. lacrimal: pertaining to the tear duct. migraine - Severe headache, sometimes accompanied by nausea and visual disturbances. Vitreous: A transparent substance with the consistency of egg-white which occupies the space inside the eye behind the lens. O. D. Prescription shorthand for Oculus Dexter, meaning the right eye. Commonly injured part of the knee. Lens color & tints Sunglasses are available in a range of lens colors or tints to protect light-sensitive eyes. Abbe value A measure of the tendency of an eyeglass lens material to cause chromatic aberration, which is an optical distortion that causes colored halos or fringes around lights or blurred vision, especially when looking through the periphery of the lens. amaurosis fugax Sudden and usually temporary vision loss caused by an "eye stroke." Additional symptoms include poor vision and photophobia. Our site is most compatible with Chrome, Firefox, or Safari. Mirrored and gradient tints are also available. Lens materials The lens material is what your lenses are made of. These yellowish particles made of fats (lipids) rarely interfere with vision or cause symptoms. Are contact lenses a good choice for kids? osteopetrosis - Rare, hereditary disease in which the bones are too dense. Symptoms include sinusitis, eye and facial pain, fever, a bulging eye and vision loss. The number scale designates the tints ideal use, from dim to very bright conditions. Medical, Surgical & Viewing Terms and Abbreviations Medical Careers & Professional Terminology Eye Terms. Ametropia. mucin - Lubricant such as saliva that protects body surfaces. It usually poses a serious threat to the visual function of the eye. For example, artificial lenses are designed to be biocompatible with tissue inside the eye so they won't cause a toxic or immunilogical response that would harm the eye. The 11 pages of abbreviations and acronyms help readers interpret chart notes. Visible light The part of the light spectrum the eye recognizes as color. Medical Terminology: An Interactive Approach by LOUIS: The Louisiana Library Network is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted. Orthoptists undertake a three year degree course and are registered with the Health and Care Professions Council. neurons - Nerve cells that form intricate networks through which sensory information is transmitted via electrical impulses sent throughout the body. Symptoms include blurring or a blind spot in central vision and metamorphopsia. Get information on Optician Certification Training programs by entering your zip code and request enrollment information. They may also write prescriptions for eyeglasses and contact lenses. What is an Ophthalmic Medical Technologist? Phoria can cause discomfort and headaches associated with the use of the eyes at distances, close up, or both. antioxidant Substance that inhibits oxidation and can guard the body from damaging effects of free radicals. Orthoptist: A health care professional who specialises in the assessment of strabismus and eye movement disorders. The glasses have become popular among those who play video games and often engage in a lot of screen time. As you will soon discover, ophthalmologists use several abbreviations and terminology unique to this field. reflected light and glare that reaches the eye. (Information supplied by ORBIS International.). High-index 1.67 Thinner and lighter weight high-index 1.67 lenses use a higher index of refraction than plastic or polycarbonatestrong prescriptions no longer mean thick, chunky lenses that must be glazed into heavy frames. Contact an eye doctor if you need medical attention.
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