57 research outputs found

    Demographic data of short pulse duration PC group and conventional PC group.

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    <p>Data are shown as the mean ± standard deviation. Unpaired t-test or Chi-squared test was used to compare between the groups. eGFR, estimated glomerular filtration rate; PRP, pan-retinal photocoagulation; VH, vitreous hemorrhage; DME, diabetic macular edema; PDR, proliferative diabetic retinopathy; RD, retinal detachment; PEA + IOL, phacoemulsification and IOL implantation.</p><p>*<i>P</i> < 0.05.</p><p>Demographic data of short pulse duration PC group and conventional PC group.</p

    Fundus photograph of eye after short pulse duration high-power laser PC on postoperative day 1.

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    <p>Small PC spots of short pulse duration high power laser PC are seen (black arrow heads). Spot size during surgery was determined to be strong enough to cause a white spot. The degenerated spots are due to photocoagulation created at an outpatient clinic before being examined in our clinic (white arrow heads).</p

    Importance of Central Retinal Sensitivity for Prediction of Visual Acuity after Intravitreal Bevacizumb in Eyes with Macular Edema Associated with Branch Retinal Vein Occlusion

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    <div><p>Objective</p><p>To determine whether the baseline retinal sensitivity can predict the best-corrected visual acuity (BCVA) at 1 month after intravitreal bevacizumab (IVB) in eyes with macular edema (ME) associated with a branch retinal vein occlusion (BRVO).</p><p>Subjects and Methods</p><p>We evaluated 16 eyes of 16 patients who had ME associated with a BRVO. The mean ± standard deviation age was 69.1 ± 8.9 years, and all had a single IVB injection. The BCVA, central macular thickness (CMT), integrity of the ellipsoid zone (EZ) of the photoreceptors, and retinal sensitivity were determined before (baseline) and at 1 day, 1 week, and 1 month following the IVB. The average threshold retinal sensitivity (AT) within the central 10° was determined by Macular Integrity Assessment. The correlations between the BCVA at 1 month and the CMT, integrity of the EZ, and AT at each visit were determined.</p><p>Results</p><p>One month after IVB, the BCVA improved significantly from 0.56 ± 0.27 logMAR units to 0.32 ± 0.28 logMAR units, and the CMT from 611.4 ± 209.3 μm to 258.7 ± 64.0 μm (<i>P</i> <0.05). The AT improved significantly from 17.9 ± 5.3 dB to 21.2 ± 5.0 dB (<i>P</i> <0.05). At 1 day after the treatment, both the integrity of the EZ (r = 0.59) and the retinal sensitivity (r = 0.76) were moderately correlated with the BCVA at 1 month.</p><p>Conclusion</p><p>These results indicate that both the integrity of the EZ and the AT at 1 day after the IVB can predict the BCVA after treatment for ME associated with BRVO. There is a possibility that these parameters will predict the effectiveness of IVB for each case.</p></div

    Areas of macular area assessed by Macular Integrity Assessment (MAIA) to obtain retinal sensitivity map.

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    <p>Thirty-seven sites within the 10° central area were assessed. The average of the 37 points was used as the retinal sensitivity for the statistical analyses.</p

    Data of laser photocoagulation (PC) in short pulse duration PC group and conventional PC group during surgery.

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    <p>Data are expressed as the means ± standard deviations. Unpaired t-tests were used to determine the significance of differences between two groups.</p><p>*<i>P</i> < 0.05.</p><p>Data of laser photocoagulation (PC) in short pulse duration PC group and conventional PC group during surgery.</p

    Correlation between final best-corrected visual acuity in logMAR units and parameters at early state.

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    <p>Correlation between final best-corrected visual acuity in logMAR units and parameters at early state.</p

    Laser flare cell values before, and at 1 day, 1 week, 4 week, and 12 weeks postoperatively for the short pulse duration PC group and the conventional PC group.

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    <p>The laser flare cell values were significantly lower in the short pulse duration PC group than in the conventional PC group at 1 week, 4 weeks and 12 weeks <i>(P <</i>0.05). Data are presented as Box–whisker plot and analyzed with Unpaired <i>t</i> tests.</p

    Calculation of venous tortuosity index.

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    <p>Measurements of superior and inferior venous arcades were obtained starting from the optic disc margin to the crossing point of a circle (A) whose diameter is the distance from the center of optic disc to the fovea. The course of the veins were traced using Photoshop (Adobe Systems, Inc. Ca, USA). NIH ImageJ software was used to measure the lengths of the vein (A) and chord (B and C) of the vessels. The venous tortuosity index was calculated by dividing the length of the retinal veins by the chord length of the same segment (B/ A and C/A). The average of the venous tortuosity ((B/A + C/A)/2) was calculated to obtain the venous tortuosity index.</p

    Correlation between venous tortuosity index and foveal thickness.

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    <p>The degree of venous tortuosity is significantly correlated with the foveal thickness. (r = 0.40, <i>P</i> = 0.02)</p
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