This entails a wall-mounted square board with a starburst design. Along the various striations of the starburst are lighted buttons. As the buttons light up, the patient works quickly to see how many of these lit buttons they can push before they go out. The key is to keep the head still. Peripheral

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Eye patches are used to strengthen muscle control in weak eyes. By placing a patch over the strong eye, the weaker eye is forced to do the heavy lifting. While it may be uncomfortable for the patient at first, the muscle controlling the weaker eye will become tougher and more resilient. This will allow

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Rotation trainers consist of a disk – with various designs – that is attached to a rod-like base. As the disk rotates, the patient is asked to perform tasks that are designed to test and enhance eye-hand coordination, space awareness, perceptual awareness and visual acuity.

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Computer aided vision therapy consists of a software package designed to enhance eye tracking skills, visual thinking, processing skills and binocular vision skills. Eye teaming, focusing and tracking are not optical in nature, and problems in these areas are the result of poor eye muscles. Specialized

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A prism has the same cross-section across the entire length of its shape. When used in eyeglasses, they often correct abnormalities associated with nearsightedness, farsightedness and double vision. Eyeglasses, or corrective lenses, reduce or increase the size of the image based on the eyes’ ability

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Sometimes your eyes don’t make enough tears or the tears evaporate too fast because they don’t have the right amount of compounds in them. This is called dry eye. Up to 5% of Americans complain of some form of dry eye. Individuals who wear contact lenses or have undergone LASIK or other types of

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Similar to a bruise under the skin, a subconjunctival hemorrhage happens when a small blood vessel located between the sclera (white portion of an eye) and the conjunctiva (lining on the surface of an eye) breaks and covers the sclera with blood. Unlike broken blood vessels located under the skin which

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Colored contact lenses allow you to temporarily change your eye color whether or not you need to correct impaired vision. In this way, you can create a more subtle eye appearance, wear a crazy design for special occasions, or just enjoy a new eye color. Will Colored Contacts Change the Way I See? Yes,

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A wandering eye is a type of eye condition known as strabismus or tropia, and it may be caused by damage to the retina or muscles that control the eye, stroke or brain injury, or an uncorrected refractive error like farsightedness. With a wandering eye, one eye deviates or wanders in a different direction

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For many adults, reading and writing come so naturally that they seem almost effortless. However, reading and writing are actually complicated skills that take significant effort to learn. For example, reading involves recognizing letters, associating letter combinations with their corresponding sounds,

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Lazy eye, also referred to as amblyopia, is a condition that develops in infancy or early childhood, and it typically starts when the focus in one eye is more enhanced than the other. The eye with less focus might be impaired due to a significant amount of farsightedness or astigmatism, or something

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Dyslexia When a child has difficulty reading due to problems recognizing speech sounds and learning how they connect to words and letters, the condition is known as dyslexia, a learning disorder caused by genetic traits that disturb how the brain works. It affects areas of the brain dealing with language

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Crossed eyes, also known as strabismus, refer to a condition in which both eyes do not look at the same place at the same time. Often times they both turn in, but may also turn out. What Causes Crossed Eyes? The six muscles attached to each eye, which control how it moves, receive signals from the brain.

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Symptoms and Problems Caused By Autism Autism is a neurological disorder in which the person has difficulty processing and reacting to information received from their senses. The individual also has trouble communicating and interacting socially. Signs of autism include: Lack of shared social interaction Postponement

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Approximately 11% of school-aged children have been diagnosed with attention deficit/hyperactivity disorder (ADHD), according to recent studies. The central symptoms of ADHD -- difficulty sustaining attention, poor control of behavior, hyperactivity -- make it difficult for children to succeed in school.

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Parents are often aware of the need to screen children for nearsightedness or farsightedness, but fewer know about other pediatric vision problems. Ocular motor dysfunction is a condition that often manifests in childhood, although adults may also have this disorder. Because ocular motor dysfunction

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Convergence insufficiency is a relatively common eye condition that is typically diagnosed in childhood. A study of two large optometry clinics found that 17.6% of children who received vision exams had convergence insufficiency. As this disorder may cause difficulty focusing on written pages, some children

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Simply put, accommodative dysfunction means that the eyes have difficulty focusing properly. Studies suggest that between 2 and 17% of children may suffer from accommodative dysfunction. The nature of this disorder means that it sometimes goes unnoticed in standard vision screenings conducted at school.

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Learning disabilities may include dyslexia, math disorder, writing disorder, auditory processing deficits, or visual processing deficits. Although each child with a learning disability is unique, many also have associated visual problems. Addressing these vision disorders may alleviate some symptoms

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Ophthalmology addresses the physiology, anatomy and diseases of the eyes. Pediatric ophthalmology focuses on the eyes of children. Pediatric ophthalmologists examine children’s eyes to see if they need corrective lenses or other treatments to improve their vision. Training for Pediatric Ophthalmologists Pediatric

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Eye movement refers to the voluntary and involuntary movements of the eyes that assist with obtaining, fixating and following visual stimuli. The eyes are each connected to a system of six muscles. Light is sensed by the retina, which is a type of tissue that contains cells known as photoreceptors. These

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The eyes have a focusing system called accommodation; it allows for visual clarity. The system is rested when you look at an object that is far away and is not forced to strain like it would if the target were close. In normal circumstances, the eyes are able to effortlessly transition between objects

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Each eye picks up a slightly different image, but through a process called fusion, the brain blends the images together to make one three-dimensional picture. Good eye coordination is needed, however, and allows the eyes to sustain proper alignment so that they can focus on practically the same image,

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The primary sufferers of technology-related eyestrain used to be adults whose work involved computers. Now, however, people of all ages use computers, smartphones, tablets and gaming devices, which can take their toll on the eyes. As people’s reliance on technology grows, so does the incidence of eyestrain.

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The eye has many parts that work together to create vision. The eyes themselves are only part of “seeing.” The brain is also involved. The eyes, though, begin the complex process of vision by gathering, focusing and passing on visual information to the brain. To help you learn how the eye works,

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The human visual system is a complex network including the eye, ocular nerves, and key brain areas that process visual information. Under most circumstances, we use information from both eyes to create a single visual image. This ability to converge information from both eyes is called binocular vision.

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Visual perception refers to a set of skills used to collect and interpret visual information taken in from our environment. The visual information gathered is combined with our other senses, allowing us to derive meaning from what we see. Through the process of merging visual data with our other senses,

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Suffering from watery eyes, also known as tearing, or epiphora, is a condition that happens when the eyes make too many tears or produce them constantly. There are many causes of excessive tearing, but only a few are signs of more serious conditions. Causes of Excessive Tearing One of two things often

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Swollen eyelids are a fairly common eye condition caused by inflammation or excess fluid in the connective tissues surrounding the eye. Depending on the cause, swollen eyelids can be painful or not painful and affect the upper eyelid, the lower eyelid, or both. Swollen eyes can be caused by many different

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Sometimes referred to as "sleep" or eye matter, eye discharge that appears in normal consistency upon waking is a typical part of your body's defense mechanisms, protecting your eyes from bacteria or other irritants. Eye discharge that appears in abnormal consistency, color, or quantities might be a

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The redness associated with “red eye” is usually caused by dilated or swollen blood vessels. As a result, the surface of the eye looks bloodshot. In contrast to vision problems or pain in the eye, red eye is often less of a concern. However, there are times when red eye may be a sign of a more serious

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Ptosis (TOE-sis) refers to an upper eyelid that droops and can occur in children or adults. The droop may be hardly visible, or it could cover the entire pupil. Depending on the severity of the droop, it could interfere with vision. People with ptosis may try to lift the eyelids or tilt their heads back

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Do you find yourself squinting or closing your eyes in bright light? It could be photophobia or acute light sensitivity. Eyes are designed to respond to light, but certain conditions can create light sensitivity. Exposure to sunlight, fluorescent light, incandescent light and other bright light sources

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Many people experience small, dark, cobwebby shapes drifting across their field of vision. These floaters are especially common as people age. Flashes, a similar phenomenon, are quick flickers of light. Both are usually harmless, but, occasionally, can be a sign of serious eye troubles. Causes Vitreous

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Few eye issues are as simultaneously subtle and annoying as a twitch that comes on suddenly and/or recurs frequently. A twitching eyelid may not appear visible to the people around you at all, but it can make you feel highly self-conscious and drive you to search for the cause and the cure. Unfortunately,

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