Question 1

thin retinal nerve fiber layer. glaucoma mild w/stable nerves & vf past 3 yrs.dr. says maybe less than 50% nerve damage.why wouldn't he know for sure?

Accepted Answer

Biology is variable: The parameters you listed are rough indexes of the changes in your retina based upon anatomical scans with limits, and physiological measurements dependent upon personal response and accuracy.  Summed up, these figures represent a range. it sounds like you want absolute accuracy (e.g. 52%) but no medical measurements have such accuracy.

Question 2

oct interpretation right eye optic disc interpretation: average. peripapillary nerve fiber layer interpretation: abnormal temporal, abnormal inferior. macular ganglion cells interpretation: abnormal superior, abnormal inferior. 80 left eye same 79?

Accepted Answer

: It is not possible or proper to comment on this without knowing your history and  clinical exam. Pl have the ordering DOC explain it to you as she/he knows that. Good luck

Question 3

what if you fail a small nerve fiber biopsy?

Accepted Answer

Cannot fail: You really cannot fail a small nerve fiber biopsy. You can have a diagnostic or non-diagnostic biopsy. You should have a long discussion with your physician.

Question 4

can small nerve fiber neuropathy cause "intermittent numbness"?

Accepted Answer

Yes: Sensory symptoms of small fiber neuropathy are highly variable. Common complaints include paresthesias, dysesthesias, and insensitivity to pain. Paresthesias are abnormal sensations. They are often described as numbness, burning, cold, prickling, pins and needles along with other symptoms.

Question 5

is nerve fiber density referring to the number of axons within the fiber or the number of dendrites within it? what even is a fiber? confused! are nerve endings dendrites? how could fiber density be measured if a fiber is the same as one axon?

Accepted Answer

Nerve fiber density: Nerve fiber density is typically measured as a specific number of small nerve fibers in a sample of skin from a biopsy. This is useful when diagnosing Neuropathy's (problems with sensory conduction from specific areas of skin ie/ numbness or tingling) or regional pain syndromes.

Question 6

what causes rnfl thinning in glaucoma. does controlling eye pressure stop the nerve fiber loss.

Accepted Answer

Pressure atrophy: One theory is that pressure too high for the back of the eye to withstand causes constriction of the blood flow with atrophy of the tissue (nerve fiber) supplied by that blood stream.  They then atrophy and this is the basis for the thinning.  Lowering the pressure below that threshold for damage prevents further blood vessel constriction and allows the remaining nerve fibers to stay healthy.

Question 7

do all myopics have standard measurement of thinner retina with each degree of higher myopia? couldn't it be due to defects in anterior layers of eye?

Accepted Answer

Different issue: Myopes have a combination of greater length of the eye from front to back and a lense that is higher power.  All retinas except some pathologic retinas are the same thickness.  A myopic eye focuses the light inside the eye in front of the retina as the focusing is too strong.  A myopic corrective lens disperses the waves moving the focus backwards onto the retina.

Question 8

does anyone get cause of this myopia?

Accepted Answer

Increasing problem: Myopia has become more common in recent years for no known reason.  Speculation includes dietary, use of reading, low light levels, absense of sunlight  but no real answers yet.  Correction is by glasses, contacts or laser refractive surgery.

Question 9

will my myopia recover if i do nothing?

Accepted Answer

No: Myopia is not a disease!  most likely will not change over your lifetime. Your eyes may become more nearsighted as you age. Myopia means you are nearsighted. Thus can be corrected with glasses, contacts or surgery, if needed or indicated.

Question 10

can severe myopia reverse somewhat as one ages?

Accepted Answer

Possible, not likely: While it is possible, high myopia tends to progress somewhat as we age, rather than reverse, although it can happen. As long as the condition continues to progress, the best option is to keep up with glasses or contact lenses. If and when the prescription stabilizes, you may wish to consider lasik surgery, if you are a candidate.

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Doctor answers about:

Myopia nerve fiber layer

A member asked:

Thin retinal nerve fiber layer. glaucoma mild w/stable nerves & vf past 3 yrs.dr. says maybe less than 50% nerve damage.why wouldn't he know for sure?

A member asked:

Oct interpretation right eye optic disc interpretation: average. peripapillary nerve fiber layer interpretation: abnormal temporal, abnormal inferior. macular ganglion cells interpretation: abnormal superior, abnormal inferior. 80 left eye same 79?

A member asked:

What if you fail a small nerve fiber biopsy?

A member asked:

Can small nerve fiber neuropathy cause "intermittent numbness"?

A member asked:

Is nerve fiber density referring to the number of axons within the fiber or the number of dendrites within it? what even is a fiber? confused! are nerve endings dendrites? how could fiber density be measured if a fiber is the same as one axon?

A member asked:

What causes rnfl thinning in glaucoma. does controlling eye pressure stop the nerve fiber loss.

A member asked:

Do all myopics have standard measurement of thinner retina with each degree of higher myopia? couldn't it be due to defects in anterior layers of eye?

A member asked:

Does anyone get cause of this myopia?

A member asked:

Will my myopia recover if i do nothing?

A member asked:

Can severe myopia reverse somewhat as one ages?

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