Doctor insights on:
Ptosis Visual Field Test
Yes: Visual field testing will occasionally pickup small areas of visual field depressions if the floater is particularly large and thick, as some patients may have. Since they move, a repeat visual field should also show the depression to have moved. I would not however expect a large visual field abnormality from a floater and certainly l recommend an exam to rule out any problems by an eye md. ...Read moreSee 1 more doctor answer
Visual field test result normal - 3/14 fixation error. Some peripheral vision loss not in field of vision. Why does test result say normal?
Normal field vision test. Dilated optic discs small w/slight asymmetry. Suspicious oct scan. Eye pressure 27. Family history. Suspect for glaucoma?
No: Many insurance companies are not covering for only loss of visual field. (medicare requires loss of levator muscle (true ptosis) or not pay. There are many degrees of vf loss, some will cover upper lid surgery when vf loss is >30% measured by vf analysis. Insurance co are following medicare lead and are denying except for muscle functional loss. ...Read moreSee 1 more doctor answer
Is it possible to get accurate visual field test with macular pucker decline in visual acuity, lights less bright & white computer screen looking gray?
Usually it is fine: You have defects in the central visual portion of your field of view - an area poorly outlined by most field testing devices. Field tests will define major defects which largely will register from the peripheral areas tested. Have you had a field tested in the past? Is there some condition being sought for with a field.? Your ophthalmologist would not order a field if he doubts the result. ...Read more
Progressive macular pucker 20/30 vision, distortion & glaucoma. Visual fIeld good,nerve damage 30-45%.Would vitrectomy cause glaucoma to progress?
Possible: Vitrectomy and glaucoma may have an association. It is suspected that glaucoma occurs more often in patients who have had vitrectomy and subsequent cataract surgery. An ongoing clinical trial is aimed to answer this question with more clarity. PROVE Study. http://www.aaojournal.org/article/S0161-6420(14)00344-3/references AND https://clinicaltrials.gov/ct2/show/NCT01162356 ...Read more
Lt.eye mac.pucker.Corrected vision 20/40 µpsia.Amsler grid nl.Corrected vision 20/40.Age 69.Could the macuar pucker cause micropsia?Rt. eye20/30.
Micropsia: Yes, it can if the macular pucker is severe enough. Micropsia is a condition in which objects are perceived to be smaller than they actually are. Micropsia can be caused by optical factors (such as wearing glasses), by distortion of images in the eye (such as optically, via swelling of the cornea or from changes in the shape of the retina such as from retinal edema,macular degeneration, and more ...Read more
Usually not: If the vision in one eye is normal, the lowered vision in the fellow eye will not impede academic achievement. There is little in academics that requires excellent vision in both eyes. The only areas affected would be those requiring stereoscopic vision. I have know doctors, lawyers, engineers and professors who have a lazy (amblyopic) eye. ...Read more
Visual field test normal w/minimal peripheral vision loss. After diagnosed w/glaucoma feel more nervous driving such as changing lanes. Psychological?
Using both eyes: Combined visual acuity is the best that you can see with both eyes open. Though one would think that it can only be as good as the better seeing eye, often combined visual acuity is better than that. In other words, one can usually see better with both eyes open than with each eye individually. ...Read more
Glaucoma rt. eye.Humphrey field test full within normal limits.DMV peripheral vision test 50 deg left & 70 deg right. Dr says DMV test wrong.Possible?
Depends: Most Humphrey testing is 30-50 degrees from the center simply because ones that measure farther out take too long a time and most glaucoma changes start in the center. The DMV tests check a couple of horizontal points about 60 degrees and 130 degrees out. So it depends upon which testing you went through. Hopefully, with a glaucoma diagnosis, you are seeing a real doctor - an ophthalmologist. ...Read more
No, not always: Visual acuity is a measure of how well you see. In most cases this reflects on what your prescription might be but it can't estimate it exactly. There are many other factors that determine how well you see: if your retina is healthy and if there are other problems with your cornea or lens. It's possible to have poor visual acuity and yet have no need for glasses. ...Read more
Tunnel vision.: Many causes for tunnel vision. Retinal dystrophies such as retinitis pigmentosa, degenerative conditions such as advanced stage glaucoma, vascular conditions such as occipital stroke, and post traumatic conditions such as traumatic optic neuropathy all can constrict visual fields. Malignant or benign brain tumors are rare causes of tunnel vision. ...Read moreSee 2 more doctor answers
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