Neuro-Ophthalmology

Overview

Light rays are reflected off an object and enter the eyes through the cornea, the transparent outer covering of the eye. The cornea bends or refracts the rays that pass through a round hole called the pupil. The iris, or colored portion of the eye that surrounds the pupil, opens and closes (making the pupil bigger or smaller) to regulate the amount of light passing through.

The light rays then pass through the lens, which actually changes shape so it can further bend the rays and focus them on the retina. The retina is a thin layer of tissue at the back of the eye that contains millions of light-sensing nerve cells called rods and cones. These cells in the retina convert the light into electrical impulses, and the optic nerve sends these impulses to the brain where an image is produced.

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How Vision is Affected

Disturbances in vision can arise from diseases within the eye, but it is also important to understand that visual symptoms can be due to diseases affecting structures behind and around the eye ball, as well as the brain.

Such conditions are

Facial Twitching Diplopia Droopy Eyelids Brain Tumors affecting vision

Locate us

Mt Alvernia

820 Thomson Road,
Mount Alvernia Hospital,
Medical Centre D, #06-57/58/59/60/61/62
Singapore 574623

Fax: (65) 6456 1006
Mt Elizabeth Orchard

Mount Elizabeth Medical Centre,
3 Mount Elizabeth #08-08,
Singapore 228510

Fax: (65) 6836 0002
Parkway East

Parkway East Medical Centre,
319 Joo Chiat Place,
#05-03 Singapore 427989

Fax: (65) 6348-1001
Mt Elizabeth Novena

38 Irawaddy Road,
Mount Elizabeth Novena Specialist Centre,
#08-22/23/24 Singapore 329563

Fax: (65) 6570 1001
Westgate

Westgate Mall,
3 Gateway Drive,
#02-42A Singapore 608532

Fax: (65) 6250-6066
Royal Square Novena

Royal Square Novena Medical Centre,
101 Irrawaddy Road,
#11-07 to 13 Singapore 329565

Fax: (65) 6456-1002
King Albert Park

KAP Residences Mall,
9 King Albert Park,
#01-42/43/44 Singapore 598332

Fax: (65) 6475-1880

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