- A chalazion is a lump of the upper or lower eyelid caused by obstruction and inflammation of an oil gland of the eyelid.
- A chalazion is not a tumor and does not cause permanent changes in the vision.
- A chalazion is very common and usually goes away without the necessity of surgery.
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Mayo Clinic researchers have identified critical steps leading to myelin destruction in neuromyelitis optica (NMO), a debilitating neurological disease that is commonly misdiagnosed as multiple sclerosis (MS). NMO is an inflammatory autoimmune disease of the central nervous system that damages the optic nerves and spinal cord, causing vision loss, weakness, numbness and, sometimes, arm and leg pa
Existing treatments to slow the progression of nearsightedness, or myopia, in children are either ineffective or impractical because of side effects, according to a Cochrane Library review of randomized clinical trials. Cochrane Database of Systematic Reviews notes that several new approaches, including the use of corneal reshaping contact lenses or bifocal soft contact lenses, are promising. How
Childhood glaucoma — also referred to as congenital glaucoma, pediatric, or infantile glaucoma — occurs in babies and young children. It is usually diagnosed within the first year of life.This is a rare condition that may be inherited, caused by incorrect development of the eye’s drainage system before birth. This leads to increased intraocular pressure, which in turn damages the optic nerve.Symp
Systemic diseases are diseases that involve many organs or the whole body. Many of these diseases also affect the eyes. In fact, an eye exam sometimes leads to the first diagnosis of a systemic disease. The eye is composed of many different types of tissue. This unique feature makes the eye susceptible to a wide variety of diseases as well as provides insights into many body systems. Almost any p
Call a doctor if:
- Your eye is painful or there is swelling extending beyond the lid margins.
- Your eyelids droop suddenly.
- Drooping eyelids interfere with your vision.
- Your eyes are dry and irritated, or your eyelids do not close completely while you are awake or asleep.
- Your eyelashes start to rub on your eyeball
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The visual system constantly takes in ambiguous stimuli, weighs its options, and decides what it perceives. This normally happens effortlessly. Sometimes, however, an ambiguity is persistent, and the visual system waffles on which perception is right. Such instances interest scientists because they help us understand how the eyes and the brain make sense of what we see. Most scientists believe ri
According to the American Academy of Ophthalmology, the careless handling of champagne is one of the most common causes for holiday-related eye injuries. These injuries are often caused by improperly opening the bottle, as a champagne cork is just under 90 pounds of pressure – three times the pressure inside a car tire. So, before you break open a high-pressured bottle of bubbly, it's important t
