The purpose of this study is to measure how the quality of life, the structure of eye, and vision change after treatment for the opacities in the gel (vitreous) that fills the center of eye which cause vision disturbances commonly called "floaters". In this study the vitreous floaters are treated using a Neodymium-doped yttrium-aluminum-garnet (Nd:YAG) laser. The FDA has approved the use of this laser to treat membranes in the eye.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
50
Nd:YAG laser treatment(s) for Vision Degrading Myodesopsia (clinically significant vitreous floaters) in eyes with vitreous opacities due to myopic vitreopathy and posterior vitreous detachment (PVD).
VMR Institute for Vitreous Macula Retina
Huntington Beach, California, United States
RECRUITINGMeasures of vitreous structure by quantitative ultrasonography
Time frame: baseline, 3 months, 6 months, 12 months
Measures of visual function using contrast sensitivity
Time frame: baseline, 3 months, 6 months, 12 months
Evaluation of quality of life using Visual Function Questionnaire (VFQ-25)
Individual scores (NEI VFQ 25 score) are recoded and transformed on a scale from 0 to 100, where 100 represents the best possible performance and 0 represents the worst
Time frame: baseline, 3 months, 6 months, 12 months
Evaluation of quality of life using Vitreous Floater Functional Questionnaire (VFFQ)
Individual scores (VFFQ score) are recoded and transformed on a scale from 0 to 100, where 100 represents the best possible performance and 0 represents the worst
Time frame: baseline, 3 months, 6 months, 12 months
Evaluation of Visual Acuity (ETDRS LogMAR)
Time frame: baseline, 3 months, 6 months, 12 months
Evaluation of Near Visual Acuity
Time frame: baseline, 3 months, 6 months, 12 months
Evaluation of retinal electrical activity changes in response to light stimuli (Photopic Negative Response amplitude) using Electroretinography (ERG)
Time frame: baseline, 3 months, 6 months, 12 months
Visual evaluation of retinal structure changes in sagittal mode using optical coherence tomography (OCT) centered on the fovea
Time frame: baseline, 3 months, 6 months, 12 months
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Evaluation of central visual field changes (median light sensitivity) using microperimetry
Scale 0-36dB (0 worst condition; 36dB the best condition)
Time frame: baseline, 3 months, 6 months, 12 months