Normal Vision


The human eye gives us the sense of sight, allowing us to learn more about the surrounding world than any of the other five senses. The eye allows us to see and interpret the shapes, colors and dimensions of objects by processing the light they reflect or give off.

The cornea (the clear window on the front of the eye) and the lens of the eye (the transparent structure inside the eye) are both critical to normal vision. The goal of these two lenses is to focus light onto a layer on the back of the eye known as the retina. As light enters into the eye it is focused by the cornea and the lens so that images appear clearly on the retina. The retina then transmits these images to the brain where they are processed. If the images focus perfectly on the retina, this results in 20/20 vision; focusing in front or behind the retina results in nearsightedness or farsightedness. If the cornea is shaped like a football instead of a sphere, this is called astigmatism. When any of these conditions occurs, images are perceived by the brain as being blurry. This is due to “refractive error” which means the eyeball is not the right size or the cornea does not have the right curve. Presbyopia is a vision condition in which the lens loses its flexibility, making it difficult to focus on close objects.

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If you would like to learn more about Normal Vision call 1-800-244-9907 to make an appointment at Central Valley Eye Medical Group.

CONTACT US FOR MORE INFORMATION

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Dear Friends,

We at Central Valley Eye hope that you and your families are well. To continue to protect the health of our patients and staff during the coronavirus pandemic, we are taking all reasonable precautions as we provide the eye care that our community needs:

  • All patients and staff must now wear masks within the clinic building. Please bring one from home.
  • Whenever appropriate, we are rescheduling patients with fever, cough, or cold symptoms
  • We have adjusted our schedule to decrease the number of patients in our waiting rooms
  • We have increased our already strict sanitizing practices
  • Whenever appropriate, we are diverting visits to telemedicine (by cell phone, tablet, laptop, or desktop). Please contact us for further details at 209-952-3700.

If you are unsure whether to come in for your visit, please call us.

Following state guidelines, the doctors at Central Valley Eye have recently resumed performing elective surgeries. Our surgery coordinators will be contacting patients to reschedule the surgeries that needed to be postponed. We appreciate your patience during this time.

If you have any questions, please do not hesitate to contact us at 209-952-3700.

Warmest regards,

Brandy Simpson
Practice Manager
Central Valley Eye Medical Group, Inc.

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