Photophobia, or lightweight sensitivity, is AN intolerance of sunshine. Sources like daylight, fluorescent lightweight and incandescent lightweight all will cause discomfort, at the side of a desire to squint or shut your eyes.
Headaches also may accompany light sensitivity. Light-sensitive people generally area unit discomposed only by bright lightweight.
In extreme cases, however, any light can be irritating.
Light sensitivity can also be a symbol of underlying diseases that do not directly have an effect on the eyes, like virus-caused diseases or severe headaches or headache.
Retinal detachment describes AN emergency situation within which a skinny layer of tissue (the retina) at the rear of the eye pulls off from its traditional position.
Retinal detachment separates the retinal cells from the layer of blood vessels that gives chemical element and nourishment.
The longer retinal detachment goes untreated, the bigger your risk of permanent vision loss within the affected eye.
A swollen eyelid occurs when there is inflammation or excess fluid (edema) in the connective tissues surrounding the eye. Swollen eyes can be painful and non-painful, and affect both the upper and lower eyelids.
A swollen eyelid may be a symptom of allergies or a sign of a serious eye infection.
Dry Eyes Syndrome
One of the functions of tears is to keep your eyes lubricated, and when they fail to provide adequate lubrication for the eyes, you are being affected by dry eye syndrome. From your body being unable to produce enough tears to production of low quality tears, there can be a host of reasons behind inadequate lubrication for your eyes.
You can experience stinging or burning sensation when you have dry eyes, which can be experienced under certain situations, such as in an air-conditioned room, while traveling on an airplane or looking at a computer screen for a long time without any breaks.
Signs and Symptoms of Dry Eyes Syndrome
Uveitis is a form of eye inflammation. It affects the center layer of tissue within the eye wall (uvea).
Uveitis warning signs often come on suddenly and get worse quickly. They include eye redness, pain and blurred vision. The condition can affect one or both eyes.
It primarily affects people ages twenty to fifty, however it's going to also have an effect on kids. Possible causes of redness ar infection, injury, or AN response or disease.
Many times a cause can't be identified. Uveitis will be serious, leading to permanent vision loss. Early designation and treatment ar necessary to stop the complications of uveitis.
• Eye with uvea
• The signs, symptoms and characteristics of uveitis include:
• Eye redness,
• Eye pain,
• Light sensitivity,
• Blurred vision,
• Dark, floating spots in your field of vision (floaters),
• Decreased vision ,
vision impairment refers to when you lose part or all of your ability to see (or vision). The impairment must persist even with the use of eyeglasses, contact lenses, medication, or surgery.
The types of vision impairments are low visual acuity, blindness, and legal blindness (which varies for each country):
Low visual acuity, also known as moderate visual impairment, is a visual acuity between 20/70 and 20/400 with your best corrected vision, or a visual field of no more than 20 degrees
Legal blindness in the United States is a visual acuity of 20/200 or worse with your best corrected vision or a visual field of no more than 20 degrees.