Accessibility Tool

Eye Conditions Simulator

With our Vision Simulator, you can see how certain eye diseases, like diabetic retinopathy, glaucoma and cataracts, can affect your vision. Follow the steps and learn more about vision as each condition progresses.

3 - Move the slider to see how each eye condition progresses changing description below

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Stage 1

At this stage, there are no symptoms present and vision is clear.

Stage 2

Patients begin to notice a fuzziness or a blind spot in their central vision. Initially, the blind spot may appear to be light grey.

Stage 3

As AMD progresses, the blind spot becomes more dark and can expand. The patient may see haziness around the blind spot and translucent shapes may begin to form.

Stage 4

In stage 4, the blind spot has become more dark and larger. More translucent shapes may be visible and may grow and become darker.

Stage 5

Patients in the later stages of AMD have difficulty doing normal activities due to the large blind spot that has grown in their central vision. The visual field may also contain larger, darker shapes.

Macular degeneration (AMD) is an age-related condition that leads to vision loss in the center of the field of vision. It is one of the leading causes of vision loss in Americans 65 and older. AMD is a progressive condition that slowly causes vision loss. There are two forms of AMD: dry and wet. Most patients have the dry form of AMD which occurs as part of the normal aging process. Wet AMD occurs when new blood vessels begin to grow under the retina and leak fluid and blood, which can cause permanent damage and loss of vision. Treatment for both forms of AMD are available to help slow the progression of the disease.

Stage 1

At this stage, there are no symptoms present and vision is clear.

Stage 2

As diabetic retinopathy begins to progress, patients may see dark shapes in their visual field. An overall dimming of vision may occur.

Stage 3

With the continued progression of diabetic retinopathy, the dark shapes grow larger and spread making it hard for patients to see their surroundings.

Stage 4

In the later stages, there is less clear vision as the dark shapes and dimming have taken over the majority of the visual field.

Stage 5

In this advanced stage of diabetic retinopathy, there is very little clear vision. What vision is left is dim and blurry. The visual field is covered by dark shapes.

Diabetic retinopathy occurs when high glucose levels damage the blood vessels in the eye, causing them to swell and leak. Most diabetics have some degree of diabetic retinopathy. Typically there are no common symptoms present during the early stages of the disease. As it progresses, patients can experience blurriness, vision loss and possible blindness if the condition is not treated. Diabetics can help prevent the development and progression of diabetic retinopathy by carefully managing their blood sugar level and blood pressure. Medical treatments are available.

Stage 1

At this stage, there are no symptoms present and vision is clear.

Stage 2

In this stage, a little cloudiness occurs and may affect a small area of the lens so blurriness and vision loss is not noticeable.

Stage 3

As the cataract grows, it clouds more of the lens and begins to limit the amount of light passing through the lens. Symptoms become more noticeable.

Stage 4

As the progression continues, the cataracts grow larger and thicker. Vision is distorted by cloudiness and the dotting effect, making it difficult for the patient to see clear objects.

Stage 5

At this point, the cloudiness of the cataracts has caused blind spots in the visual field, leading to the majority of vision being obscured.

A cataract is a gradual clouding of the natural lens of the eye, which can cause one’s vision to become blurry. They affect over half of all adults by age 80. Symptoms of cataracts include blurred vision, reduced depth perception, sensitivity to glare, diminished color perception and poor night vision. Surgery is recommended to remove cataracts. Cataract surgery is one of the most successful and life-improving surgical procedures performed.

Stage 1

At this stage, there are no symptoms present and vision is clear.

Stage 2

In the early stages, the patient may experience darkening in their peripheral (side) vision.

Stage 3

As glaucoma progresses, the darkening continues to grow affecting the peripheral vision - making patients depend more on their central vision. This is called “tunnel” vision.

Stage 4

In the later stages, the patient has lost most, if not all, peripheral vision and their center vision is now affected.

Stage 5

The patient may only have a small part of their center vision left. Complete blindness is possible at this last stage.

Glaucoma is a leading cause of blindness in the United States, and chances of suffering glaucoma increases with age. It occurs when excess fluid builds up in the eye, causing the pressure in the eye to elevate to high levels. The optic nerve becomes damaged, which serves to send the images from the eye to the brain. While there is no cure for glaucoma, many medications and procedures exist that can help to slow the disease and prevent blindness, especially when treated early.

Eye Physicians Medical / Surgical Center, Inc.

  • Eye Physicians Medical / Surgical Center, Inc. - 681 Third Ave., Chula Vista, CA 91910 Phone: 619-420-2111

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