Eye Care FAQs & Definitions


  • Amblyopia (Lazy Eye) – The loss or lack of development of clear vision in just one eye. It is not due to eye health problems and eyeglasses or contact lenses can’t fully correct the reduced vision caused by lazy eye. Click here to read more about Amblyopia.

  • Astigmatism – A vision condition that causes blurred vision due either to the irregular shape of the cornea, the clear front cover of the eye, or sometimes the curvature of the lens inside the eye. Click here to read more about Astigmatism.

  • Blepharitis – An inflammation of the eyelids and eyelashes causing red, irritated, itchy eyelids and the formation of dandruff like scales on eyelashes. Click here to read more about Blepharitis.

  • Cataract – A cloudy or opaque area in the normally clear lens of the eye. Click here to read more about Cataracts.

  • Chalazion – A slowly developing lump that forms due to blockage and swelling of an oil gland in the eyelid. Click here to read more about Chalazian.

  • Color Blindness – The inability to distinguish certain shades of colors or, in more severe cases, see colors at all. Click here to read more about Color Blindness.

  • Conjunctivitis – An inflammation or infection of the conjunctiva, the thin transparent layer of tissue that lines the inner surface of the eyelid and covers the white part of the eye. Click here to read more about Conjunctivitis.

  • Convergence Insufficiency – An eye coordination problem in which the eyes have a tendency to drift outward when reading or doing close work.

  • Cornea – The transparent anterior part of the external coat of the eye covering the iris and the pupil and continuous with the sclera.

  • Corneal Abrasion – A cut or scratch on the cornea, the clear front cover of the eye.

  • Diabetic Retinopathy – A condition occurring in persons with diabetes, which causes progressive damage to the retina, the light sensitive lining at the back of the eye. Click here to read more about Diabetic Retinopathy.

  • Floaters & Spots – The shadowy images that are seen moving in your field of vision caused by particles floating in the fluid that fills the inside of the eye. Click here to read more about Floaters & Spots.

  • Glaucoma – A group of disorders leading to progressive damage to the optic nerve, and is characterized by loss of nerve tissue resulting in loss of vision. Click here to read more about Glaucoma.

  • Hyperopia (Farsightedness) – A vision condition in which distant objects are usually seen clearly, but close objects do not come into proper focus. Click here to read more about Hyperopia (Farsightedness).

  • Keratoconus – An eye disorder causing progressive thinning and bulging of the cornea, the clear front cover of the eye. Click here to read more about Keratoconus.

  • Macular Degeneration – An eye disease affecting the macula, the center of the light sensitive retina at the back of the eye, causing loss of central vision. Click here to read more about Macular Degeneration.

  • Myopia (Nearsightedness) – A vision condition in which you can see close objects clearly, but objects farther away are blurred. Click here to read more about Myopia (Nearsightedness).

  • Ocular Migraine – A type of severe headache accompanied by various visual symptoms.

  • Presbyopia – An age-related vision condition in which there is a gradual loss of the eye’s ability to focus on near objects. Click here to read more about Presbyopia.

  • Retina – The innermost coat of the posterior part of the eyeball that receives the image produced by the lens, is continuous with the optic nerve, and consists of several layers, one of which contains the rods and cones that are sensitive to light.

  • Retinal Detachment – A tearing or separation of the retina, the light sensitive lining at the back of the eye, from the underlying tissue.

  • Strabismus (Crossed Eyes) – A condition in which both eyes do not look at the same place at the same time. Click here to read more about Strabismus (Crossed Eyes).

  • Sty (Hordeolum) – An infection of an oil gland in the eyelid.

  • Uveitis – An inflammation of one or more of the structures that make up the middle layer of the eye called the uvea. Click here to read more about Uveitis.

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