What are aberrations of the eye? Aberrations of vision are apparent on a wavefront aberrometry test. When light hits the interior surface of our eye (retina), the light-sensitive receptors turn this light into electrical signals. These signals travel to the brain through the nerve (optic nerve). Then, the brain converts these signals into the images …

What is a Chalazion? Stye is painful inflammation and swelling on the eyelid with the accumulation of pus. The two types of stye are hordeolum and chalazion. It is an infection commonly caused by the bacterium, Staphylococcus. With appropriate treatment, it resolves without any complications. There are two main types of stye: hordeolum and chalazion. They have different causes and …

What is astigmatism? Astigmatism is a vision problem that results due to abnormal curvature of the eye's cornea or lens. Astigmatism is a type of vision problem due to imperfection in the curvature of the eye's cornea or lens. Hence, the cornea is unable to evenly focus light on the retina (the inner light-sensitive layer of the eye). Those with astigmatism …

Optic nerve sheath meningioma is a nonaggressive and slow-growing tumor in the eye. Optic nerve sheath meningioma (ONSM) is a nonaggressive and slow-growing tumor in the eye. They usually grow over the layer that covers the optic nerve in the eye. Meningiomas are the most common tumors diagnosed inside the skull. Due to their slow-growing nature, they are not fatal, …

How successful are injections for wet macular degeneration? Wet macular degeneration is an age-related disease. Clinical studies have documented a definite success of intraocular (into the eye) injections for wet macular degeneration. After one year of intraocular therapy, the vision improved by about 25-34% compared with 5% in those who did not choose intraocular injections. Avastin (bevacizumab), Lucentis (ranibizumab), and …

Facts you should know about narcissistic personality disorder Narcissistic personality disorder (NPD) is a mental disorder that is characterized by an established pattern of being fixated on oneself, permeating the thoughts, feelings, and actions of the sufferer, and their relationships with other people. People with NPD tend to alternate between feeling omnipotent and devalued. Narcissistic personality disorder occurs as often …

The loss of vision that has already occurred is usually permanent. The loss of vision that has already occurred is usually permanent. Eyeglasses, contact lenses, medication, or surgery cannot usually cure or reverse low vision. There are certain ways and treatments to help the patient improve and cope with vision loss, perform everyday activities more easily, and keep the vision from getting worse. Treatment options also depend on the eye condition …

Leg pain can affect the foot, ankle, knee, thigh, or in any part of the leg. You should be concerned about your leg pain and schedule a physician’s appointment if you observe these accompanying symptoms: Pain that worsens when you walk or exercise Failure of home care treatments Painful varicose veins Swelling of both the legs Shooting or radiating pain …

The greatest advantage of the corneal topography is its ability to detect conditions Corneal topography provides doctors or ophthalmologists with the most detailed possible information about the curvature of the cornea (the transparent part in the front of the eye), potential eyesight issues, and eye diseases. The greatest advantage of the corneal topography is its ability to detect conditions that …

Ringworm is a fungal infection affecting the skin. Ringworm can be caused by over 40 different types of fungi, some of which are Microsporum, Trichophyton, and Epidermophyton. Ringworm affecting any part of the body is called Tinea corporis. Ringworm of the web spaces of the foot is called athlete's foot (Tinea pedis), those of the groin is called jock itch …