PURPOSE: To investigate the relationship of Krukenberg spindles (KS) and pigmented lens striae (PLS), clinical signs related to iris pigment dispersal and possibly glaucoma. METHODS: During a 31-month period, 5 practitioners in an urban, primary eye care setting examined consecutive patients for KS and PLS. Multiple logistic regression was used to evaluate relationships among KS, PLS, and other variables. RESULTS: Krukenberg spindles were present in 65 patients (52 females), comprised of 57 of 2647 (2.2%) blacks, 5 of 303 (1.7%) whites, 2 of 121 (1.7%) Hispanics, and 1 of 55 (1.8%) Asians. PLS were present in 64 subjects (56 females), comprised of 59 (2.2%) blacks, 3 (1.0%) whites, and 2 (3.6%) Asians. KS and PLS were coexistent in 27 subjects. Mean age +/- SD (range) of the KS and PLS subjects was 63.1 +/- 15.0 years (24-88 years) and 67.0 +/- 10.4 years (33-88 years), respectively. Mean refractive error +/- SD (range) of KS and PLS right eyes was +0.55 +/- 2.32D (-6.50 to +5.50D) and +1.34 +/- 2.18D (-6.50 to +7.25D), respectively. Controlling for other variables, PLS were highly predictive (OR = 30.2, P < 0.0001) of KS, and KS were highly predictive (OR = 29.5, P < 0.0001) of PLS. Ignoring presence or absence of PLS, increasing age (in decades) (OR = 1.60, P < 0.0001) was strongly associated with KS. Ignoring presence or absence of KS, age (OR = 1.74, P < 0.0001), female gender (OR = 2.96, P = 0.009), and increasing hyperopic refractive error (OR = 1.30, P < 0.0001) were strongly associated with PLS. CONCLUSIONS: Krukenberg spindles and PLS were strongly associated in our patient population, and the likelihood of both increased with increasing age. Female gender and increasing hyperopic refractive error were highly significant predictors of PLS.
PURPOSE: To investigate the relationship of Krukenberg spindles (KS) and pigmented lens striae (PLS), clinical signs related to iris pigment dispersal and possibly glaucoma. METHODS: During a 31-month period, 5 practitioners in an urban, primary eye care setting examined consecutive patients for KS and PLS. Multiple logistic regression was used to evaluate relationships among KS, PLS, and other variables. RESULTS: Krukenberg spindles were present in 65 patients (52 females), comprised of 57 of 2647 (2.2%) blacks, 5 of 303 (1.7%) whites, 2 of 121 (1.7%) Hispanics, and 1 of 55 (1.8%) Asians. PLS were present in 64 subjects (56 females), comprised of 59 (2.2%) blacks, 3 (1.0%) whites, and 2 (3.6%) Asians. KS and PLS were coexistent in 27 subjects. Mean age +/- SD (range) of the KS and PLS subjects was 63.1 +/- 15.0 years (24-88 years) and 67.0 +/- 10.4 years (33-88 years), respectively. Mean refractive error +/- SD (range) of KS and PLS right eyes was +0.55 +/- 2.32D (-6.50 to +5.50D) and +1.34 +/- 2.18D (-6.50 to +7.25D), respectively. Controlling for other variables, PLS were highly predictive (OR = 30.2, P < 0.0001) of KS, and KS were highly predictive (OR = 29.5, P < 0.0001) of PLS. Ignoring presence or absence of PLS, increasing age (in decades) (OR = 1.60, P < 0.0001) was strongly associated with KS. Ignoring presence or absence of KS, age (OR = 1.74, P < 0.0001), female gender (OR = 2.96, P = 0.009), and increasing hyperopic refractive error (OR = 1.30, P < 0.0001) were strongly associated with PLS. CONCLUSIONS: Krukenberg spindles and PLS were strongly associated in our patient population, and the likelihood of both increased with increasing age. Female gender and increasing hyperopic refractive error were highly significant predictors of PLS.
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