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What Causes Spots In The Field Of Vision?

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Posted on Tue, 12 Jan 2016
Question: been to many eye retina specialists...... no macular degeneration by all. say I have peaks and depressions the back orb of my eye. what would be your thoughts and what should I do next...... they are actually talking about taking my eye out to see what is going on...symptoms....paisley like spots...better in am....worse in pm......md says total vision is the same in each eye....in sunlight the rt eye seems to have darker vision....its like looking thourgh clear jello all of the time....im only 50 and I understand that age doesn't matter but this has been going on for 4 years and I tired of not having an answer......anything woud be appreciated......thanks to you all and happy holidays
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Answered by Dr. Prof. Kunal Saha (6 hours later)
Brief Answer:
You need to understand the physiology of vision

Detailed Answer:
Thanks for asking on HealthcareMagic.

I have gone through your query and understand the complaints that you have. There are two broad aspects of vision. The first is refraction where the rays of light are focussed on the retina. The second is the transduction of light energy into nerve impulses to be be carried to the brain. The retina is the photoreceptive layer of the eye which does this. The retina contains two types of photoreceptive cells viz. the rods and cones. While the rods are responsible for a diffuse non-specific type of low light vision, the cones are responsible for color vision in bright light. You would appreciate that the vision in the periphery of our visual field is not so sharp as compared to the center of our visual field. This is because the rods are more at the periphery and the cones more towards the center of the retina. Moreover, there are different varieties of cones associated with detection of different frequencies (white light comprises of VIBGYOR i.e. different frequencies). The presence of pits and depressions indicates that the thickness of the retina is uneven and so is the distribution of the cones. Thus is the distribution of cones is irregular or uneven, a color tinge or variation in darkness and contrast are likely. The problem is less evident when there is plenty of light in the morning. Although you have proper refraction of the light on the retina (i.e. your vision is ok for both the eyes), you still have this problem.

I hope that I have been able to explain the reasons behind. Let me know if you need to know anything more.

Regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Prof. Kunal Saha

General & Family Physician

Practicing since :1954

Answered : 4467 Questions

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What Causes Spots In The Field Of Vision?

Brief Answer: You need to understand the physiology of vision Detailed Answer: Thanks for asking on HealthcareMagic. I have gone through your query and understand the complaints that you have. There are two broad aspects of vision. The first is refraction where the rays of light are focussed on the retina. The second is the transduction of light energy into nerve impulses to be be carried to the brain. The retina is the photoreceptive layer of the eye which does this. The retina contains two types of photoreceptive cells viz. the rods and cones. While the rods are responsible for a diffuse non-specific type of low light vision, the cones are responsible for color vision in bright light. You would appreciate that the vision in the periphery of our visual field is not so sharp as compared to the center of our visual field. This is because the rods are more at the periphery and the cones more towards the center of the retina. Moreover, there are different varieties of cones associated with detection of different frequencies (white light comprises of VIBGYOR i.e. different frequencies). The presence of pits and depressions indicates that the thickness of the retina is uneven and so is the distribution of the cones. Thus is the distribution of cones is irregular or uneven, a color tinge or variation in darkness and contrast are likely. The problem is less evident when there is plenty of light in the morning. Although you have proper refraction of the light on the retina (i.e. your vision is ok for both the eyes), you still have this problem. I hope that I have been able to explain the reasons behind. Let me know if you need to know anything more. Regards