Types of Vision
As the name suggests, age-related macular degeneration is more common in older adults. In fact, it is the leading cause of severe vision loss in adults over age 60. Macular degeneration may be hereditary, meaning it can be passed on from parents to children.
Blurred vision (called refractive errors) Age-related macular degeneration; Glaucoma; Cataract; Diabetic retinopathy; Most Common Childhood Vision Problems. Blurred vision (called refractive errors) Crossed eyes (called strabismus) Lazy eye (called amblyopia) Blurred vision (refractive errors) Nearsightedness (called myopia) is when you can see clearly up close but blurry in the distance.
If your vision can be corrected with glasses or contacts, your doctor will give you a prescription. If it can’t, and cataracts are a problem in your daily life, you may need cataract surgery. It’s done on an outpatient basis, meaning you’ll go home the same day, and it’s usually very successful.
A loss of central vision when you read or drive; Inability to see colors; Blurry vision; Holes or black spots in vision; See your doctor right away if you have any of these issues. Causes. When left untreated, diabetic retinopathy damages your retina. This is the lining at the back of your eye that transforms light into images.
Detecting glaucoma early is one reason you should have a complete exam with an eye specialist every 1 to 2 years. Occasionally, pressure inside the eye can rise to severe levels. In these cases, you may have sudden eye pain, headache, blurred vision, or the appearance of halos around lights.
Understanding light sensitivity. We need light to see what’s around us and its colour. Light bounces off the objects we look at and different objects reflect different amounts of light. There are times when the amount or quality of light can affect our ability to see. Too much light can cause problems with glare.
The actual content of tears is a chemical cocktail of various hormones like estrogen and prolactin (same stuff that helps women breast feed offspring) and proteins. What's even more amazing is that the substance of tears actually differs depending on whether the tears are generated from emotions or simply for the purpose of lubricating dry eyes.