Articles starting with 'C':
| Can Healthful Eating Save Your Eyes? |
Antioxidant supplements could slow age-related macular degeneration
A past large study showed that high doses of antioxidant supplements might slow a person’s progression from early to late AMD.
Studies now suggest that the healthful eating habits recommended to lower your risk of cancer may also help prevent the most common cause of irreversible blindness that occurs among people in developed countries. Although age-related macular degeneration (AMD) is s... Read More
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| Can Teenagers Wear Contact Lenses? |
Single use lenses known as daily disposables are great for active teenagers... How do you decide when your teen is ready for contact lenses? Some parents have concerns about children being too young to wear contacts, but this should not be the deciding factor. A 3-year study conducted by the Indiana University School of Optometry found that children from ages 11 to 13 years can handle contacts well and can understand how to care for them. Consider your teen’s maturity and co-ordination i... Read More
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| Can Teenagers Wear Contact Lenses? |
Can Teenagers Wear Contact Lenses?
Single use lenses known as daily disposables are great for active teenagers...
How do you decide when your teen is ready for contact lenses? Some parents have concerns about children being too young to wear contactsbut this should not be the deciding factor. A 3-year study conducted by the Indiana University School of Optometry found that children from ages 11 to 13 years can handle contacts well and can understand how to car... Read More
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| Carotid Artery Disease |
Carotid Artery Disease
During a comprehensive eye examyour eye care practitioner may notice ocular signs prior to stroke/TIA.
When people are warned that fatty foods and a lack of exercise can clog arteriesmost immediately think of the arteries surrounding the heart. In factthe human body is an intricate system of arteries and veinsshuttling blood to the tips of the toes and the top of the head – and they are all prone to damage from an unhealthy lif... Read More
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| Cataracts - General Description |
A cataract occurs when there is progressive clouding of the normally clear lens within the eye. This results in impaired or dimmed vision. The exact cause of cataracts is unknownhoweverresearchers believe that a chemical change in the eye causes proteins to form opacitiesor clumpsthat cloud the lens. As the opacity growsit inhibits the passage of lightdistorting vision. Since the clouding of the lens is gradualcataracts affect people over 55 years old. It is one of the most common ... Read More
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| Cataracts and Eggs (Analogy) |
Cataracts and Eggs
Picture this: You are in your kitchen making breakfast. You smack an egg on the outer edge of a frying pangently prying open its cracked shellspewing its raw contents into the awaiting heated pan. Visualize the egg white. It s nearly transparent at this uncooked stage. But as it begins to heat up it starts losing its see-through transparencygetting cloudier as it cooksfinally reaching the point of being complet... Read More
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| Cataract Surgery |
Cataract Surgery
How Surgery Works… Surgeons gently remove the cloudy lens of the eye and replace it with an artificial lens implant to restore clearbright vision. The procedure is performed under a powerful microscope and involves two parts: Firstthe eye’s cloudy lens is removed. Secondan artificial lens is inserted to replace the eye’s focusing power.
How Surgery Works… After the tissue around the eye is fully numbedthe surgeon makes a very small opening at the ed... Read More
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| Causal Factors of Myopia in Children |
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| Causal Factors of Myopia in Children |
Causal Factors of Myopia in Children
Current research is looking into whether reading triggers myopia in children who have a genetic propensity for it.
Myopia is a vision condition that results in difficulty seeing objects at a distance but near objects can be seen clearly. Myopia occurs because the eyeball is too long or the focusing power is too strong. Thus light focuses in front of the retina instead of directly on it causing blurred distant objects. ... Read More
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| Causes of Conjunctivitis |
Causes of Conjunctivitis
If your eye becomes red and irritatedlet your eye doctor take a look.
Causes of Conjunctivitis Determining that you have conjunctivitis is usually easier than determining how your conjunctiva became inflamed. Howeverthere are a few common culprits that you should know about. Click here to learn more about conjunctivitis. If your eye becomes red and irritatedlet your eye doctor take a look. The irritation could be due to something very s... Read More
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| Central Retinal Artery Occlusion |
Central Retinal Artery Occlusion
When people are cautioned to maintain a healthy lifestylethey usually think it is solely to prevent obesity or heart disease. Most people do not realize that our eyes are as dependent on our life choices as other organs in the body. As we agea natural plaque begins to form in our arteriesjust as plaque forms on our teeth if we don’t brush them. This happens to everybodybut only escalates into a problem if the amount of plaque create... Read More
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| Central Retinal Vein Occlusion |
Central Retinal Vein Occlusion
A central retinal vein occlusion (CRVO) is a blood circulation problem. When the blood vessel called the central retinal vein becomes blocked suddenlyit causes a rapid reduction in vision. It is like having a small “stroke” in the retina.
WHY IS VISION LOST? The retina is the light-sensitive nerve tissue lining the back of the eye. Like film in a camerait takes “moving pictures” of everything you see. Your vision depends on a healthywel... Read More
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| Central Serous Retinopathy |
Central Serous Retinopathy
In central serous retinopathy (CSR)fluid accumulates in the membrane (choroid) behind the retina.
Retinopathy refers to diseases that affect the retinawhich is the light-sensitive layer of tissue that lines the back of the eyeball. Normallythe retina’s role is to send visual impulses through the optic nerve to the brain. Since it’s integral to so many of the eye’s functionsthe retina contains a lot of blood vesselsand any abnor... Read More
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| Challenges for your Eyes and Mind |
Challenges for your Eyes and your Mind
Image #1 Can you figure out this picture? Image #2 Keep staring at the black dot. After a while the gray haze around it will appear to shrink. Image #3 Look at the chart and say the color not the word. Left - Right Conflict: Your right brain tries to say the colorbut your left brain insists on reading the word.
© Copyright www.eyeconx.com. 3ConX Corp. 2005
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| Children |
Children
One of the most important eye conditions to check for in children is amblyopia...
Eye Development While the eye s greatest physical development occurs during the first year of lifechildren continue to sharpen their vision skills throughout childhood. Eye muscles strengthen and nerve connections multiply. Visual stimulation can help this process. Preschoolers aged two to five are eager to draw and look at pictures. By connecting stories with illus... Read More
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| Children Report Better Vision-Related Quality Of Life With Contact Lenses Vs. Glasses |
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| Childrens Eye Development |
Children
Eye Development
While the eye s greatest physical development occurs during the first year of lifechildren continue to sharpen their vision skills throughout childhood. Eye muscles strengthen and nerve connections multiply. Visual stimulation can help this process. Preschoolers aged two to five are eager to draw and look at pictures. By connecting stories with illustrationsit is possible to help co-ordinate a child s hearing and v... Read More
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| Childrens Eye Exam: What to Expect |
Children s Eye Exam
Eye exams can vary depending on the age of the child. For instancea practitioner might ask an older child to identify letters whereas a younger child may be shown pictures of animals and toys. The key points of most eye exams are similar. The eyecare provider will first review your child s personal health and family health history and then conduct tests to check for the following:
Vision: By using an instrument calle... Read More
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| Childrens Vision |
Children’s Vision
Next to Christmasthe summer holidays are a very exciting time in a child’s life. The end of the school year marks the beginning of two months of no school books! Parents are usually busy planning summer camps and family vacations. It is also a perfect time to have your children’s eyes examined by an optometrist in preparation for the beginning of the school year in September. By the age of threeall children sho... Read More
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| Choroidal Neovascular Membrane |
Choroidal Neovascular Membrane
Like grass and weedssometimes things grow where they shouldn’t. Something quite similar to this happens in your eye if you develop CNVM.
Like grass and weedssometimes things grow where they shouldn’t. When you walk along the sidewalkyou see them all the time – little cracks in the cement where grass or weeds have broken through. Something quite similar to this happens in your eye if you develop a choroidal n... Read More
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| Choroidal Nevus |
Choroidal Nevus
Freckles on the skin are easy to see and monitorwhereas the only way to detect choroidal nevi is through a comprehensive examination of the back of the eye.
Nevus is a medical term for a smallpigmentedslightly raised growth on the skin. In simple languageit refers to moles and freckleswhich most of us have on our bodies. Typically flat and benignthese nevi can also appear inside the eye. Many ocular nevi develop on the choroidwhich lines th... Read More
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| Cleaning and Maintenance of your Spectacles |
Cleaning and Maintenance of your Spectacles
Use a special cloth supplied by your eyecare professional to dry your lenses.
Today’s advanced lens materials and coatings are used to maximize vision clarityas well as extend the life of your lenses. How you take care of them will determine the life and quality of the product. Cleaning your lenses is a daily exercise that requires the use of proper products and methods to maximize the life of the lenses. Always... Read More
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| Clear Lens Extraction (CLE) |
Clear Lens Extraction (CLE) with Intraocular (IOL) Lens Implantation
CLE is a procedure where the natural crystalline lens is removed and replaced with an artificial intraocular lens...
A small number of people have refractive errors that are too large or eye conditions that are not appropriate for laser vision correction. Clear Lens Extraction (CLE) with Intraocular Lens (lOL) Implantation is a procedure available for the correction of high myopia and hyperopi... Read More
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| Colour Vision Deficiency |
Colour Vision Deficiency
Most cases of CVD are inherited and the person is affected at birth.
Overview People who cannot distinguish between certain colours and shades have a condition called colour vision deficiency (CVD)commonly known as colour blindness. Abnormal colour vision may vary from only a slight difficulty distinguishing among different shades of the same colour to the rare inability to distinguish any colours. Most cases of CVD are inherited and t... Read More
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| Colour Vision Deficiency |
Colour Vision Deficiency
Overview
People who cannot distinguish between certain colours and shades have a condition called colour vision deficiency (CVD)commonly known as colour blindness. Abnormal colour vision may vary from only a slight difficulty distinguishing among different shades of the same colour to the rare inability to distinguish any colours.
Most cases of CVD are inherited and the person is affected at birth. In some caseshoweverthe ... Read More
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| Computer Screens May Cause Glaucoma Study Suggests |
Computer Screens May Cause GlaucomaStudy Suggests
Those who were heavy computer users were twice as likely to have glaucoma than light or medium users.
A recent study suggests that heavy users of computers – especially those who are nearsighted –may have higher chances of developing glaucomaa disease that can cause blindness. Japanese doctors assessed the sight of more than 10200 Japanese workersmeasuring them for visual acuity and signs of gl... Read More
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| Computer Vision Syndrome (Children and Teens) |
Computer Vision Syndrome (CVS) - Children and Teens
Computer vision syndrome (CVS) is defined as the complex of eye and vision problems associated with computer use.
Most parents are concerned with the types of people or subject matter that their children and teenagers are encountering online and on television. Very fewif anyworry about the effects on their children’s eyesight. You’ve all experienced it – the burningitchingheavy eyes that resul... Read More
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| Congenital Esotropia |
Congenital Esotropia refers to the inward turning of the eye toward the nose. The term for misaligned eyes of all types is “strabismus.” A misalignment that is present all the time is constant; when present only part of the timeit is intermittent. In some cases of esotropiathe same eye always does the deviatingwhile in others the eyes may alternate. Alternating esotropia can be quite confusing to parents trying to figure out which eye is the straight eye. Strabismus may be cause... Read More
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| Contact Dermatitis |
Contact dermatitis is a common skin inflammation caused by direct contact with an irritating substance.
Nearly everyone has some form of allergy or sensitivity to specific substances. The only problem is that we are usually unaware of this susceptibility until we are exposed to it and suffer the ill effects. Contact dermatitis is a common skin inflammation caused by direct contact with an irritating substance. Itchingswellingrednessand scaling characterize this inflammation.... Read More
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| Contact Lens Care |
Contact Lens Care
It is important to note that some products are not compatible with one another or with certain contact lenses.
Cleaningrinsing and disinfecting contact lenses with a recommended solution can significantly reduce complications associated with contact lens wear. This includes eliminating the build up of protein and bacteria that tends to bind to the lens. Multi-purpose solutions are a convenient method of caring for contact lenses. It is importa... Read More
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| Contact Lens Care |
Contact Lens Care
It is important to note that some products are not compatible with one another or with certain contact lenses.
Cleaningrinsing and disinfecting contact lenses with a recommended solution can significantly reduce complications associated with contact lens wear. This includes eliminating the build up of protein and bacteria that tends to bind to the lens. Multi-purpose solutions are a convenient method of caring for contact lenses. It is importa... Read More
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| Contact Lenses and Presbyopia (Monovision) |
Contact Lenses and Presbyopia (Monovision)
If you thought presbyopia and the loss of your reading vision meant the end of contact lensesthink again.
If you are over 40your eyesight is probably changing. You may have difficulty reading or doing simple tasks up close. As we maturethe eye becomes less capable of focusing from far to close objects. This is a common condition called presbyopiaand it affects nearly everyone by the age of 50. The crystalline lens... Read More
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| Contact Lenses and Regular Eye Exams |
Contact Lenses and Regular Eye Exams
Follow-up contact lens visits will ensure that your lenses fit properly; that your vision is clear...
Having your eyes regularly examined can aid in the detection of certain conditions that could lead to the deterioration of your vision. What can you expect in an eye exam if you are a contact lens wearer? Follow-up contact lens visits will ensure that your lenses fit properly; that your vision is clear; your corneas are h... Read More
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| Contact Lens Overwear |
Contact Lens Overwear
Back in the 1500sLeonardo Da Vinci was the first to develop the concept of a contact lens. If Leo could only see us nowhe would marvel at the hundreds of contact lens designs and dozens of highly sophisticated plastic polymers. Today it’s rare that a patient cannot be fitted with some kind of contact lens. But are we treating our eyes well? It’s true that contact lenses are wonderfuland they provide an excellent alternative to glasses. But contact l... Read More
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| Contact Lens Patient Non-Compliance Examined |
Contact Lens Patient Non-Compliance Examined
A review of the literature found overall rates of noncompliance with medical regimens varies from 24.8% to 44% and the rates reported for contact lens wearers varies from 50% to 99%.
Researchers from the University of Connecticut Health Center looked to assess the extent of noncompliant behavior of contact lens wearers and to develop strategies of engaging and educating... Read More
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| CONVERGENCE INSUFFICIENCY |
There are six external muscles of the eye called extra-ocular muscles that move the eyes in all of its required directions of gaze. With optimum performance, this muscle system utilizing 12 muscles from both eyes, must work in perfect synchrony to provide effortless coordination of vision in all gazes.
Convergence insufficiency exists when there is an inability of the two eyes to work comfortably as a team during close-range tasks. When we read, our external eye muscles turn the eyes in... Read More
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| Cool Eye Facts |
Really cool eye facts we bet you did not know!
Our eye facts will be updated quarterly.
Did You Know That Eyes:
Are the most complex organs you possess except for your brain
Are composed of more than two million working parts
Can process 36000 bits of information every hour
Under the right conditionscan discern the light of a candle at a distance of 14 miles
Contribute towards 85% of your total knowledge
Utilize 65% of all the pathways to the brain
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| Corneal Dystrophy |
A corneal dystrophy is characterized as the gradual deterioration of one of the layers of the cornea. The multi-layered cornea is the central transparent outer layer of the eye through which light enters. There are a variety of corneal dystrophies that can affect one of the layers of the cornea. Dystrophies are most often inherited and can occur at an early age, even at birth. The two most common are epithelial basement membrane dystrophy and endothelial cell dystrophy.... Read More
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| Corneal Neovascularization |
Corneal Neovascularization
If our eye is chronically deprived of oxygenthere is the potential for new growth of blood vessels into the cornea...
When we think of oxygenating our bodieswe imagine air filling our lungs. We rarely consider our eyes as needing oxygen. The truth ismaintaining proper eye health is impossible without appropriate oxygen. The cornea is the cleardome-shaped surface that covers the front of the eye. It is the first part of the eye... Read More
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| Corneal Topography |
Corneal Topography
Keratoconus is a condition where the normally dome-shaped cornea progressively thins outcausing a bulge to develop; the topographical analysis easily picks this up.
In recent yearseye care technology has advanced in leaps and bounds. Eye doctors are now able to document and record very specific details about your eyes. One such example of this is corneal topography. The cornea is the cleardomed-shape window of the eye that bends entering... Read More
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