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Definition
The ciliary body is the structure in the eye that releases a transparent liquid (called the aqueous humor) within the eye.
The ciliary body also contains the ciliary muscle, which changes the shape of the lens when your eyes focus on something. This process is called accommodation. |
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| THE BLOOD-RICH NUTRITIVE TUNIC THAT HAS A DARK PIGMENT. THE PIGMENT PREVENTS LIGHT FROM ENTERING THE EYE. |
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| THE PIGMENTED, INVOLUNTARY MUSCLE THAT ACTS AS THE DIAPHRAGM OF THE EYE. |
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| THE PUPIL IS A HOLE LOCATED IN THE CENTER OF THE IRIS OF THE EYE THAT ALLOWS LIGHT TO ENTER THE RETINA. IT APPEARS BLACK BECAUSE MOST OF THE LIGHT ENTERING THE PUPIL IS ABSORBED BY THE TISSUES INSIDE THE EYE. |
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Definition
| INNERMOST LAYER OF THE EYEBALL KNOWN AS THE RETINA |
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| THE LIGHT SENSITIVE LAYER OF THE EYE; CONTAINS RODS AND CONES. |
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| THE PIGMENTED LAYER OF THE RETINA OR RETINAL PIGMENT EPITHELIUM (RPE)IS THE PIGMENTED CELL LAYER JUST OUTSIDE THE NEUROSENSORY RETINA THAT NOURISHES RETINAL VISUAL CELLS, AND IS FIRMLY ATTACHED TO THE UNDERLYING CHOROID AND OVERLYING RETINAL CELLS. |
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Definition
| THE TRANSPARENT LAYER OF THE RETINA CONTAINING MILLIONS OF RODS AND CONES. |
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| RECEPTORS THAT ARE RESPONSIBLE FOR VISION AT LOW LIGHT LEVELS (SCOTOPIC VISION). |
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| RECEPTORS THAT ARE ACTIVE AT HIGHER LIGHT LEVELS (PHOTOPIC VISION) AND ARE CAPABLE OF COLOR VISION AND ARE RESPONSIBLE FOR HIGH SPATIAL ACUITY. |
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Definition
| IMPAIRS THE ABILITY TO DRIVE SAFELY AT NIGHT. CAUSED BY ANYTHING THAT INTERFERES WITH ROD FUNCTION. ALSO CAUSED BY VITAMIN A DEFICIENCY. |
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Definition
| A TINY PIT THAT CONTAINS ONLY CONES LATERAL TO EACH BLIND SPOT. |
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| IMPULSES RECEIVED AT THE SAME TIME FROM MORE THAN ONE TYPE OF CONE BY THE VISUAL CORTEX. |
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