Poor Vision
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Reviewed By:

Masashi Mimura

Masashi Mimura, MD (Ophthalmology)

Dr. Mimura Graduated from the Osaka Medical College and obtained his ophthalmologist certification in 2007. He opened an outpatient clinic for oculoplastic and reconstructive surgery at Osaka Kaijo Hospital. Subsequently, he was appointed as the assistant professor at the Department of Ophthalmology, Osaka Medical College, in 2014. He then served an international fellowship at the Department of Ophthalmology/Oculoplastic and Reconstructive Surgery, California State University, San Diego. Since then, he has been appointed as Lecturer in the Departments of Ophthalmology at Osaka Medical College and Toho University Medical Center Sakura Hospital. Dr. Mimura is currently the Director of Oculofacial Clinic Osaka, where he specializes in Oculofacial Plastic and Reconstructive Surgery.

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People with these symptoms also use Ubie's symptom checker to find possible causes

  • Find it hard to focus my vision

  • Left eye is blurred

  • I can't see from my left eye

  • Right eye blurred

  • Loss of vision in one eye

  • Eyesight is misty

  • Can't see out of one eye

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Content updated on Jan 4, 2023

About the symptom

Visual impairment refers to a loss of vision that cannot be corrected to normal vision, even when the person is wearing eyeglasses or contact lenses. It can range from low vision to total blindness.

When to see a doctor

Seek professional care if you experience any of the following symptoms

  • Poor vision

Possible causes

  • Diabetic retinopathy

    Diabetic retinopathy is a condition that causes vision loss in patients with diabetes due to damage to the blood vessels in the retina. Your retina is a thin layer of tissue that lines the back of your eyes and is responsible for turning the light signals your eyes receive into images in your brain. These damaged vessels in the retina result in blurred vision or even vision loss.

  • Macular edema

    Macular edema is the accumulation of fluid in the macula, the part of your retina responsible for central vision. It occurs when fluid leads to swelling in the macula, causing blurred vision and vision loss in severe cases. Common causes of macular edema include blockages in retinal arteries or veins and diabetes.

  • Diabetic neuropathy

    Diabetic neuropathy is a kind of nerve damage that can happen in people with long-term diabetes. High blood sugar can harm nerves all over the body, mainly in the legs and feet.

  • Cataracts
  • Pathologic myopia

  • Diabetic macular edema (DME)

  • Branch retinal vein occlusion
  • Migraine
  • Candidiasis (oral, hands and feet)

Related serious diseases

  • Cerebral infarction

    Cerebral infarction refers to damage to brain tissue resulting from a stroke. It occurs due to decreased blood supply and oxygen delivery to the brain, causing brain cell death and brain damage. It is typically caused by a blood clot or fatty/cholesterol plaques blocking a blood vessel to the brain, but can also occur if a blood vessel ruptures and bleeds into the brain.

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Do you feel that your eyesight is worsening recently?

  • Are you unable to see out from one eye?

  • Do you strain your eyes when you try to look at close or distant objects?

  • Do you have redness, pain, or itching in your eyes?

  • Do you have a fever?

Other Related Symptoms

Similar symptoms or complaints

References

  • Pascolini D, Mariotti SP. Global estimates of visual impairment: 2010. Br J Ophthalmol. 2012 May;96(5):614-8. doi: 10.1136/bjophthalmol-2011-300539. Epub 2011 Dec 1. PMID: 22133988.

    https://bjo.bmj.com/content/96/5/614

Reviewed By:

Masashi Mimura

Masashi Mimura, MD (Ophthalmology)

Dr. Mimura Graduated from the Osaka Medical College and obtained his ophthalmologist certification in 2007. He opened an outpatient clinic for oculoplastic and reconstructive surgery at Osaka Kaijo Hospital. Subsequently, he was appointed as the assistant professor at the Department of Ophthalmology, Osaka Medical College, in 2014. He then served an international fellowship at the Department of Ophthalmology/Oculoplastic and Reconstructive Surgery, California State University, San Diego. Since then, he has been appointed as Lecturer in the Departments of Ophthalmology at Osaka Medical College and Toho University Medical Center Sakura Hospital. Dr. Mimura is currently the Director of Oculofacial Clinic Osaka, where he specializes in Oculofacial Plastic and Reconstructive Surgery.

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