IMPAIRED DARK ADAPTATION ASSOCIATED WITH A DISEASED BRUCH MEMBRANE IN PSEUDOXANTHOMA ELASTICUM
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IMPAIRED DARK ADAPTATION ASSOCIATED WITH A DISEASED BRUCH MEMBRANE IN PSEUDOXANTHOMA ELASTICUM. / Hess, Kristina; Gliem, Martin; Birtel, Johannes; Müller, Philipp; Hendig, Doris; Andrews, Colm; Murray, Ian J; Holz, Frank G; Charbel Issa, Peter.
In: RETINA-J RET VIT DIS, Vol. 40, No. 10, 10.2020, p. 1988-1995.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - IMPAIRED DARK ADAPTATION ASSOCIATED WITH A DISEASED BRUCH MEMBRANE IN PSEUDOXANTHOMA ELASTICUM
AU - Hess, Kristina
AU - Gliem, Martin
AU - Birtel, Johannes
AU - Müller, Philipp
AU - Hendig, Doris
AU - Andrews, Colm
AU - Murray, Ian J
AU - Holz, Frank G
AU - Charbel Issa, Peter
PY - 2020/10
Y1 - 2020/10
N2 - PURPOSE: To characterize dark adaptation in patients with pseudoxanthoma elasticum, a systemic disease leading to calcification of elastic tissue including the Bruch membrane.METHODS: In this prospective case-control study, dark adaptation thresholds were measured using a Goldmann-Weekers dark adaptometer. Additional assessments included best-corrected visual acuity testing, contrast sensitivity, low luminance deficit, and vision-related quality of life.RESULTS: Dark adaptation thresholds were significantly higher, and adaptation periods were prolonged in patients with pseudoxanthoma elasticum (n = 35; 33 with 2 ABCC6 mutations) compared with controls (n = 35). The time to adapt 4 log units (20.6 ± 8.6 vs. 8.0 ± 1.3 minutes) and the mean dark adaptation threshold after 15 minutes (3.5 ± 1.1 vs. 1.8 ± 0.2 log units) were significantly different between patients and controls (both P < 0.001). Low luminance deficits (12.3 ± 6.4 vs. 6.1 ± 4.3 ETDRS letters), contrast sensitivity (1.4 ± 0.3 vs. 1.9 ± 0.1), and low luminance-related quality of life (LLQ score: 1,286 ± 355 vs. 2,167 ± 68) were also significantly worse in patients with pseudoxanthoma elasticum (all, P < 0.001). Two patients were treated with high-dose vitamin A which partially reversed impaired dark adaptation.CONCLUSION: Patients with pseudoxanthoma elasticum often have impaired dark adaptation. Positive effects of vitamin A supplementation may indicate restricted retinal access of vitamin A through the Bruch membrane as one possible underlying pathogenic factor.
AB - PURPOSE: To characterize dark adaptation in patients with pseudoxanthoma elasticum, a systemic disease leading to calcification of elastic tissue including the Bruch membrane.METHODS: In this prospective case-control study, dark adaptation thresholds were measured using a Goldmann-Weekers dark adaptometer. Additional assessments included best-corrected visual acuity testing, contrast sensitivity, low luminance deficit, and vision-related quality of life.RESULTS: Dark adaptation thresholds were significantly higher, and adaptation periods were prolonged in patients with pseudoxanthoma elasticum (n = 35; 33 with 2 ABCC6 mutations) compared with controls (n = 35). The time to adapt 4 log units (20.6 ± 8.6 vs. 8.0 ± 1.3 minutes) and the mean dark adaptation threshold after 15 minutes (3.5 ± 1.1 vs. 1.8 ± 0.2 log units) were significantly different between patients and controls (both P < 0.001). Low luminance deficits (12.3 ± 6.4 vs. 6.1 ± 4.3 ETDRS letters), contrast sensitivity (1.4 ± 0.3 vs. 1.9 ± 0.1), and low luminance-related quality of life (LLQ score: 1,286 ± 355 vs. 2,167 ± 68) were also significantly worse in patients with pseudoxanthoma elasticum (all, P < 0.001). Two patients were treated with high-dose vitamin A which partially reversed impaired dark adaptation.CONCLUSION: Patients with pseudoxanthoma elasticum often have impaired dark adaptation. Positive effects of vitamin A supplementation may indicate restricted retinal access of vitamin A through the Bruch membrane as one possible underlying pathogenic factor.
KW - Adolescent
KW - Adult
KW - Aged
KW - Bruch Membrane/pathology
KW - Case-Control Studies
KW - Contrast Sensitivity/physiology
KW - Cross-Sectional Studies
KW - Dark Adaptation/physiology
KW - Female
KW - Humans
KW - Male
KW - Middle Aged
KW - Prospective Studies
KW - Pseudoxanthoma Elasticum/drug therapy
KW - Quality of Life
KW - Retinal Diseases/drug therapy
KW - Visual Acuity/physiology
KW - Vitamin A/administration & dosage
KW - Young Adult
U2 - 10.1097/IAE.0000000000002689
DO - 10.1097/IAE.0000000000002689
M3 - SCORING: Journal article
C2 - 31834130
VL - 40
SP - 1988
EP - 1995
JO - RETINA-J RET VIT DIS
JF - RETINA-J RET VIT DIS
SN - 0275-004X
IS - 10
ER -