The agreement between the Irvine 4 diopter prism test and assessment of ocular fixation in microtropia with identity

Garretty, Tess

doi:10.1080/09273972.2021.1914675

Cited by 2 publications

(4 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In this study, a certain number of patients in the subnormal and abnormal groups were diagnosed with “microtropia with identity.” This diagnosis was made based on the results of 4ΔBOT, as these patients were too young to assess eccentric fixation using a fixation ophthalmoscope. 43 Patients in the normal group had been diagnosed with “anisometropic amblyopia without microtropia.” In this study, when we performed a linear estimate between the logarithmic stereoacuity and the size of the suppression scotoma in the three groups, the slopes of the lines of the three groups were not significantly different. This finding suggests that all three groups have identical spectra.…”

Section: Discussionmentioning

confidence: 99%

“…Garretty reported moderate agreement between 4ΔBOT and microperimetry, which are the most commonly used methods for diagnosing microtropia with identity. 43 Garretty reported that the results of the microtropia test may change over time. 43 In the report, she stated the importance of not relying on only one test at one time point and that patients should be reassessed as the treatment progresses.…”

Section: Discussionmentioning

confidence: 99%

“… 43 Garretty reported that the results of the microtropia test may change over time. 43 In the report, she stated the importance of not relying on only one test at one time point and that patients should be reassessed as the treatment progresses. 43 Houston et al 45 also reported that the suppression area can be altered by occlusion therapy.…”

Section: Discussionmentioning

confidence: 99%

“… 43 In the report, she stated the importance of not relying on only one test at one time point and that patients should be reassessed as the treatment progresses. 43 Houston et al 45 also reported that the suppression area can be altered by occlusion therapy. Moreover, the size of a suppression scotoma may change before and after maximum optical treatment and occlusion therapy.…”

Section: Discussionmentioning

confidence: 99%

See 3 more Smart Citations

Relationship Between Suppression Scotomas and Stereoacuity in Anisometropic Amblyopia With Successfully Treated Visual Acuity

Yagasaki

Yayoi³

et al. 2023

Invest. Ophthalmol. Vis. Sci.

View full text Add to dashboard Cite

Purpose The purpose of this study was to investigate the relationship among suppression scotoma size, stereoacuity, and four-prism base-out test (4ΔBOT) results in anisometropic amblyopia with successfully treated visual acuity. Methods We included 103 cases of anisometropic amblyopia successfully treated for visual acuity without strabismus. Stereoacuity was measured using a Randot Stereotest. The size of the suppression scotomas was measured using a new device, the polarized four dot (P4D) test. This is a modification of the Worth 4 dot test (W4D) device. The patients were divided into three groups based on the 4ΔBOT results: normal (group A = 29 cases), subnormal (group B = 48 cases), and abnormal (group C = 26 cases) response groups. The horizontal diameter of the suppression scotomas and stereoacuity in logarithmic values with a base of 20 seconds of arc (″) were compared among the 3 groups. Results The mean age at P4D testing was 8.4 ± 2.1 years. The average horizontal diameters of the suppression scotomas were 0.35 ± 0.79Δ, 2.01 ± 0.82Δ, and 5.50 ± 2.72Δ in groups A, B, and C, respectively, showing significant differences (A versus B: P < 0.0001, A versus C: P < 0.0001, and B versus C: P < 0.0001; 1-way ANOVA). The average logarithmic stereoacuity were 1.07 (24.95″), 1.22 (38.84″), and 1.47 (82.79″) in groups A, B, and C, respectively, thereby showing significant differences between the groups (A versus B: P < 0.0001, A versus C: P < 0.0001, and B versus C: P < 0.0001; 1-way ANOVA). Stereoacuity and horizontal diameter of the suppression scotoma were strongly correlated ( r = 0.732, P < 0.0001). Conclusions The suppression scotoma size measured using P4D correlated significantly with stereoacuity and the 4ΔBOT results.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%