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Alfred J. L. G. Pinckers - One of the best experts on this subject based on the ideXlab platform.

  • Prognostic value of pattern reversal visual-evoked potentials in idiopathic Epiretinal Membrane
    Graefe's Archive for Clinical and Experimental Ophthalmology, 1997
    Co-Authors: M.a.d. Tilanus, Nicole A. M. Bemelmans, Marinus H. M. Cuypers, Alfred J. L. G. Pinckers
    Abstract:

    • Background: Prognostically favorable factors for Epiretinal Membrane removal have been described in the literature by several authors. Little information, however, is available about the objective assessment of the preoperative macular function. This study reports the results of idiopathic Epiretinal Membrane removal and the prognostic value of preoperative pattern reversal visual-evoked potentials (PRVEPS) in recovery of visual acuity (VA). • Methods: In 60 patients (60 eyes) with idiopathic Epiretinal Membrane we performed PRVEP examination preoperatively. All eyes were operated on by standard three-port vitrectomy with Membrane removal. Two eyes were excluded because of postoperative complications. Follow-up VA was compared with preoperative VA for the 58 study eyes and correlated with preoperative PRVEP parameters. • Results: The mean preoperative VA was 0.2, the mean postoperative VA, 0.4. The PRVEP was recordable in 74%, 67% and 36% of cases for check sizes of 17, 10 and 7 arcmin respectively. Twenty patients (50%) had an increase in VA of two lines or more, in 25 patients (43%) VA remained within one line of the preoperative value, and in 4 patients (7%) VA decreased by two lines or more. The mean preoperative VA was not significantly different between the group with an improved VA and the group that did not benefit from Membrane removal. Of the PRVEP parameters, only the N80 latency for the 17' check size was significantly associated with postoperative visual outcome. • Conclusion: The PRVEP is applicable as a predictor for visual outcome in cases of Epiretinal Membrane removal. For the 17' pattern size we found a significant association of the combination of recordability and delayed N80 latency with visual outcome.

  • Pattern reversal visual evoked potentials in patients with Epiretinal Membrane
    American journal of ophthalmology, 1997
    Co-Authors: Nicole A. M. Bemelmans, M.a.d. Tilanus, Marinus H. M. Cuypers, Alfred J. L. G. Pinckers
    Abstract:

    Purpose To determine the extent of pattern-reversal visual evoked potential parameter alteration by Epiretinal Membranes and to investigate the use of pattern-reversal visual evoked potential in the estimation of macular function in eyes with Epiretinal Membrane and in the fellow eyes. Methods In both eyes of 162 patients with Epiretinal Membrane, 92 of primary and 70 of secondary origin, pattern-reversal visual evoked potentials were recorded. Check sizes of 17', 10', and 7' (minutes of arc) were used. Parameters investigated were N80 and P100 latencies and P100 amplitude. Results No significant difference was detected between eyes with Epiretinal Membrane of primary and secondary origin regarding visual acuity and the pattern-reversal visual evoked potential parameters for the different check sizes. Compared with the fellow eyes, the eyes with Epiretinal Membrane had a significantly reduced visual acuity, prolonged N80 and P100 latencies, and a reduced P100 amplitude for the different check sizes. Compared with a separate control group (N = 20) with patients 50 to 59 years old, eyes with Epiretinal Membrane (N = 9) showed the same features as in the total group, but only for the 17' and 10' check sizes. The fellow eyes (N = 9) showed a significant reduction of the P100 amplitude ( P Conclusions In eyes with Epiretinal Membrane, pattern-reversal visual evoked potential latencies are prolonged, and amplitude is reduced. Relationships between clinical parameters and pattern-reversal visual evoked potential parameters require further study.

Nicole A. M. Bemelmans - One of the best experts on this subject based on the ideXlab platform.

  • Prognostic value of pattern reversal visual-evoked potentials in idiopathic Epiretinal Membrane
    Graefe's Archive for Clinical and Experimental Ophthalmology, 1997
    Co-Authors: M.a.d. Tilanus, Nicole A. M. Bemelmans, Marinus H. M. Cuypers, Alfred J. L. G. Pinckers
    Abstract:

    • Background: Prognostically favorable factors for Epiretinal Membrane removal have been described in the literature by several authors. Little information, however, is available about the objective assessment of the preoperative macular function. This study reports the results of idiopathic Epiretinal Membrane removal and the prognostic value of preoperative pattern reversal visual-evoked potentials (PRVEPS) in recovery of visual acuity (VA). • Methods: In 60 patients (60 eyes) with idiopathic Epiretinal Membrane we performed PRVEP examination preoperatively. All eyes were operated on by standard three-port vitrectomy with Membrane removal. Two eyes were excluded because of postoperative complications. Follow-up VA was compared with preoperative VA for the 58 study eyes and correlated with preoperative PRVEP parameters. • Results: The mean preoperative VA was 0.2, the mean postoperative VA, 0.4. The PRVEP was recordable in 74%, 67% and 36% of cases for check sizes of 17, 10 and 7 arcmin respectively. Twenty patients (50%) had an increase in VA of two lines or more, in 25 patients (43%) VA remained within one line of the preoperative value, and in 4 patients (7%) VA decreased by two lines or more. The mean preoperative VA was not significantly different between the group with an improved VA and the group that did not benefit from Membrane removal. Of the PRVEP parameters, only the N80 latency for the 17' check size was significantly associated with postoperative visual outcome. • Conclusion: The PRVEP is applicable as a predictor for visual outcome in cases of Epiretinal Membrane removal. For the 17' pattern size we found a significant association of the combination of recordability and delayed N80 latency with visual outcome.

  • Pattern reversal visual evoked potentials in patients with Epiretinal Membrane
    American journal of ophthalmology, 1997
    Co-Authors: Nicole A. M. Bemelmans, M.a.d. Tilanus, Marinus H. M. Cuypers, Alfred J. L. G. Pinckers
    Abstract:

    Purpose To determine the extent of pattern-reversal visual evoked potential parameter alteration by Epiretinal Membranes and to investigate the use of pattern-reversal visual evoked potential in the estimation of macular function in eyes with Epiretinal Membrane and in the fellow eyes. Methods In both eyes of 162 patients with Epiretinal Membrane, 92 of primary and 70 of secondary origin, pattern-reversal visual evoked potentials were recorded. Check sizes of 17', 10', and 7' (minutes of arc) were used. Parameters investigated were N80 and P100 latencies and P100 amplitude. Results No significant difference was detected between eyes with Epiretinal Membrane of primary and secondary origin regarding visual acuity and the pattern-reversal visual evoked potential parameters for the different check sizes. Compared with the fellow eyes, the eyes with Epiretinal Membrane had a significantly reduced visual acuity, prolonged N80 and P100 latencies, and a reduced P100 amplitude for the different check sizes. Compared with a separate control group (N = 20) with patients 50 to 59 years old, eyes with Epiretinal Membrane (N = 9) showed the same features as in the total group, but only for the 17' and 10' check sizes. The fellow eyes (N = 9) showed a significant reduction of the P100 amplitude ( P Conclusions In eyes with Epiretinal Membrane, pattern-reversal visual evoked potential latencies are prolonged, and amplitude is reduced. Relationships between clinical parameters and pattern-reversal visual evoked potential parameters require further study.

M.a.d. Tilanus - One of the best experts on this subject based on the ideXlab platform.

  • Prognostic value of pattern reversal visual-evoked potentials in idiopathic Epiretinal Membrane
    Graefe's Archive for Clinical and Experimental Ophthalmology, 1997
    Co-Authors: M.a.d. Tilanus, Nicole A. M. Bemelmans, Marinus H. M. Cuypers, Alfred J. L. G. Pinckers
    Abstract:

    • Background: Prognostically favorable factors for Epiretinal Membrane removal have been described in the literature by several authors. Little information, however, is available about the objective assessment of the preoperative macular function. This study reports the results of idiopathic Epiretinal Membrane removal and the prognostic value of preoperative pattern reversal visual-evoked potentials (PRVEPS) in recovery of visual acuity (VA). • Methods: In 60 patients (60 eyes) with idiopathic Epiretinal Membrane we performed PRVEP examination preoperatively. All eyes were operated on by standard three-port vitrectomy with Membrane removal. Two eyes were excluded because of postoperative complications. Follow-up VA was compared with preoperative VA for the 58 study eyes and correlated with preoperative PRVEP parameters. • Results: The mean preoperative VA was 0.2, the mean postoperative VA, 0.4. The PRVEP was recordable in 74%, 67% and 36% of cases for check sizes of 17, 10 and 7 arcmin respectively. Twenty patients (50%) had an increase in VA of two lines or more, in 25 patients (43%) VA remained within one line of the preoperative value, and in 4 patients (7%) VA decreased by two lines or more. The mean preoperative VA was not significantly different between the group with an improved VA and the group that did not benefit from Membrane removal. Of the PRVEP parameters, only the N80 latency for the 17' check size was significantly associated with postoperative visual outcome. • Conclusion: The PRVEP is applicable as a predictor for visual outcome in cases of Epiretinal Membrane removal. For the 17' pattern size we found a significant association of the combination of recordability and delayed N80 latency with visual outcome.

  • Pattern reversal visual evoked potentials in patients with Epiretinal Membrane
    American journal of ophthalmology, 1997
    Co-Authors: Nicole A. M. Bemelmans, M.a.d. Tilanus, Marinus H. M. Cuypers, Alfred J. L. G. Pinckers
    Abstract:

    Purpose To determine the extent of pattern-reversal visual evoked potential parameter alteration by Epiretinal Membranes and to investigate the use of pattern-reversal visual evoked potential in the estimation of macular function in eyes with Epiretinal Membrane and in the fellow eyes. Methods In both eyes of 162 patients with Epiretinal Membrane, 92 of primary and 70 of secondary origin, pattern-reversal visual evoked potentials were recorded. Check sizes of 17', 10', and 7' (minutes of arc) were used. Parameters investigated were N80 and P100 latencies and P100 amplitude. Results No significant difference was detected between eyes with Epiretinal Membrane of primary and secondary origin regarding visual acuity and the pattern-reversal visual evoked potential parameters for the different check sizes. Compared with the fellow eyes, the eyes with Epiretinal Membrane had a significantly reduced visual acuity, prolonged N80 and P100 latencies, and a reduced P100 amplitude for the different check sizes. Compared with a separate control group (N = 20) with patients 50 to 59 years old, eyes with Epiretinal Membrane (N = 9) showed the same features as in the total group, but only for the 17' and 10' check sizes. The fellow eyes (N = 9) showed a significant reduction of the P100 amplitude ( P Conclusions In eyes with Epiretinal Membrane, pattern-reversal visual evoked potential latencies are prolonged, and amplitude is reduced. Relationships between clinical parameters and pattern-reversal visual evoked potential parameters require further study.

Marinus H. M. Cuypers - One of the best experts on this subject based on the ideXlab platform.

  • Prognostic value of pattern reversal visual-evoked potentials in idiopathic Epiretinal Membrane
    Graefe's Archive for Clinical and Experimental Ophthalmology, 1997
    Co-Authors: M.a.d. Tilanus, Nicole A. M. Bemelmans, Marinus H. M. Cuypers, Alfred J. L. G. Pinckers
    Abstract:

    • Background: Prognostically favorable factors for Epiretinal Membrane removal have been described in the literature by several authors. Little information, however, is available about the objective assessment of the preoperative macular function. This study reports the results of idiopathic Epiretinal Membrane removal and the prognostic value of preoperative pattern reversal visual-evoked potentials (PRVEPS) in recovery of visual acuity (VA). • Methods: In 60 patients (60 eyes) with idiopathic Epiretinal Membrane we performed PRVEP examination preoperatively. All eyes were operated on by standard three-port vitrectomy with Membrane removal. Two eyes were excluded because of postoperative complications. Follow-up VA was compared with preoperative VA for the 58 study eyes and correlated with preoperative PRVEP parameters. • Results: The mean preoperative VA was 0.2, the mean postoperative VA, 0.4. The PRVEP was recordable in 74%, 67% and 36% of cases for check sizes of 17, 10 and 7 arcmin respectively. Twenty patients (50%) had an increase in VA of two lines or more, in 25 patients (43%) VA remained within one line of the preoperative value, and in 4 patients (7%) VA decreased by two lines or more. The mean preoperative VA was not significantly different between the group with an improved VA and the group that did not benefit from Membrane removal. Of the PRVEP parameters, only the N80 latency for the 17' check size was significantly associated with postoperative visual outcome. • Conclusion: The PRVEP is applicable as a predictor for visual outcome in cases of Epiretinal Membrane removal. For the 17' pattern size we found a significant association of the combination of recordability and delayed N80 latency with visual outcome.

  • Pattern reversal visual evoked potentials in patients with Epiretinal Membrane
    American journal of ophthalmology, 1997
    Co-Authors: Nicole A. M. Bemelmans, M.a.d. Tilanus, Marinus H. M. Cuypers, Alfred J. L. G. Pinckers
    Abstract:

    Purpose To determine the extent of pattern-reversal visual evoked potential parameter alteration by Epiretinal Membranes and to investigate the use of pattern-reversal visual evoked potential in the estimation of macular function in eyes with Epiretinal Membrane and in the fellow eyes. Methods In both eyes of 162 patients with Epiretinal Membrane, 92 of primary and 70 of secondary origin, pattern-reversal visual evoked potentials were recorded. Check sizes of 17', 10', and 7' (minutes of arc) were used. Parameters investigated were N80 and P100 latencies and P100 amplitude. Results No significant difference was detected between eyes with Epiretinal Membrane of primary and secondary origin regarding visual acuity and the pattern-reversal visual evoked potential parameters for the different check sizes. Compared with the fellow eyes, the eyes with Epiretinal Membrane had a significantly reduced visual acuity, prolonged N80 and P100 latencies, and a reduced P100 amplitude for the different check sizes. Compared with a separate control group (N = 20) with patients 50 to 59 years old, eyes with Epiretinal Membrane (N = 9) showed the same features as in the total group, but only for the 17' and 10' check sizes. The fellow eyes (N = 9) showed a significant reduction of the P100 amplitude ( P Conclusions In eyes with Epiretinal Membrane, pattern-reversal visual evoked potential latencies are prolonged, and amplitude is reduced. Relationships between clinical parameters and pattern-reversal visual evoked potential parameters require further study.

Patrizio Bernardinelli - One of the best experts on this subject based on the ideXlab platform.

  • Evaluation of intraoperative slow-release dexamethasone implant combined with idiopathic Epiretinal Membrane removal
    Graefe's Archive for Clinical and Experimental Ophthalmology, 2020
    Co-Authors: Alfonso Savastano, Alice Bitossi, Fabrizio Giansanti, Lorenzo Vannozzi, Tomaso Caporossi, Francesco Barca, Gianni Virgili, Gloria Gambini, Umberto Vico, Patrizio Bernardinelli
    Abstract:

    Purpose To evaluate the efficacy of intraoperative slow-release dexamethasone implant (DEX) combined with removal of idiopathic Epiretinal Membrane (ERM). Methods In this observational retrospective study, data of 40 patients with phakic eyes affected by idiopathic ERM were analysed. All patients underwent cataract phacoemulsification, 25-gauge (G) pars plana vitrectomy (PPV), ERM removal with DEX implant (“DEX YES” group, #20) or without DEX implant (“DEX NO” group, #20). We collected data on best-corrected visual acuity (BCVA)

  • Evaluation of intraoperative slow-release dexamethasone implant combined with idiopathic Epiretinal Membrane removal
    Graefe's Archive for Clinical and Experimental Ophthalmology, 2020
    Co-Authors: Alfonso Savastano, Alice Bitossi, Fabrizio Giansanti, Lorenzo Vannozzi, Tomaso Caporossi, Francesco Barca, Gianni Virgili, Gloria Gambini, Umberto Vico, Patrizio Bernardinelli
    Abstract:

    Purpose To evaluate the efficacy of intraoperative slow-release dexamethasone implant (DEX) combined with removal of idiopathic Epiretinal Membrane (ERM). Methods In this observational retrospective study, data of 40 patients with phakic eyes affected by idiopathic ERM were analysed. All patients underwent cataract phacoemulsification, 25-gauge (G) pars plana vitrectomy (PPV), ERM removal with DEX implant (“DEX YES” group, #20) or without DEX implant (“DEX NO” group, #20). We collected data on best-corrected visual acuity (BCVA)