Causes for Sudden Loss of Vision in One Eye

Sudden Loss of Vision in One Eye Can Come from Many Causes

Any loss of vision is an emergency. Not all are serious, but this is no place to be macho or wait it out. If it is serious, quick diagnosis and treatment is often critical for a quick and successful recovery.

We often find Questions and Answers like the following:

Q: About a week ago now I knocked my head on a wooden shelf. Since then the vision in my left eye has been blurred. I can’t make out anything. I’ve also been vomiting and have severe head aches because of this. I was wondering if the two are linked?

A: I am concerned that you have a problem with your eye which may be serious and with your other symptoms you may have further trauma to your head. I would immediately see your GP , your optician or go to A & E. …

Read more of this case at Blurred vision in one eye with vomiting and severe headaches after

Sudden Vision Loss comes from many causes

Blind and Deaf class visits Goddard Space Center. Image by NASA Goddard Space Flight Center via Flickr

Often the question of an external disease comes into play, as in the following case, however, notice that only slight loss of vision is non-critical. I leave it to the reader to decide if any loss of vision can be considered slight:

Q: I’ve had flu symptoms for the past two days now. I’ve come back into work today and since half nine this morning I’ve had blurred vision in my right eye and using my computer is becoming a pain. I have a lazy left eye which I’ve had since I was a kid and obviously my right eye does all the work and without it I’m not functioning well. I was hoping it was just part of having flu but I’m not sure if this is something more severe?

A: Qualified optometrist Simon Kay BSc(Hons) MCOptom answers this question.

It may be possible that your condition may cause slightly blurred vision, but I would be concerned if it was anything more then slight and see your optician as soon as possible just in case there is another cause.

More Reading on this and other questions:

Many Do Not Recognize Signs of Serious Vision Loss

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Causes and signs of vision loss

Low vision may be due to different eye diseases and/or health conditions. Some major causes of vision loss are Age Related Macular Degeneration, Diabetes, or Glaucoma (See illustrations below). Vision, once lost, cannot usually be restored so getting regularly eye exams is very important to keeping healthy vision. Most vision loss is gradual, painless and unnoticed until a significant vision loss occurs.

Deaf-Blind Camp of Maryland Visits NASA Goddard

Image by NASA Goddard Space Flight Center via Flickr

Signs of vision loss may include difficulty recognizing faces, inability to read road signs, and difficulty reading print. Complaints may range from ‘lights seem dimmer” or “it’s never bright enough”. Other signs may involve bumping or tripping over items; spilling or leaving food on the plate. For individuals with limited communication skills, new negative behaviors may indicate a recent vision loss

Many Diabetes Patients Still Unaware of Vision Loss Risk, Study Shows

Vision loss is a common complication of diabetes, yet many patients are unaware of their high risk for severe visual impairment and may not be getting the care that can prevent it.

Diabetic macular edema (DME) is a leading cause of vision loss for people with diabetes affecting approximately 745,000 people with type 2 diabetes in the U.S.

Treatment for DME has dramatically improved, but prompt diagnosis is critical.

Results of a new study published online in JAMA Ophthalmology led by researchers at Johns Hopkins School of Medicine and sponsored by Genentech show there is a severe lack of awareness of eye disease among adult DME patients in the U.S.

Researchers found:

  • Less than 50% of patients with DME were told by a doctor that diabetes could affect their eyesight.
  • Nearly 40% of adults with diabetes had not received an annual retina (dilated) eye exam in the last year.

For the study, researchers used survey data collected by the U.S. Centers for Disease Control and Prevention between 2005 and 2008 to review the responses of 12,946 people with type 2 diabetes who had DME.

This condition occurs when high blood sugar levels associated with poorly controlled diabetes cause damage to the small blood vessels in the retina, the light-sensitive tissue lining the back wall of the eye.

This condition occurs when high blood sugar levels associated with poorly controlled diabetes cause damage to the small blood vessels in the retina, the light-sensitive tissue lining the back wall of the eye.

…More at Many Diabetes Patients Still Unaware of Risk of Sudden Vision Loss, Study …

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