Journal List > J Korean Ophthalmol Soc > v.54(12) > 1009568

Shin and Park: Comparative Analysis of the Humphrey Static Perimetry and the Goldmann Kinetic Perimetry: Application of the Humphrey Static Perimetry to Visual Disability Evaluation

Abstract

Purpose

In the evaluation of visual field defect, Goldmann kinetic perimetry is the preferred method. However, in many cases, Humphrey static perimetry is performed for visual disability evaluation in Korea. In the present study we investigated the correlation between Goldmann kinetic perimetry and Humphrey static perimetry for disability evaluation using visual field score (VFS).

Methods

This study included 126 eyes, classified into the following groups: 60 eyes, normal group; 11 eyes, contraction of central visual field group; 42 eyes, irregular visual field group; 13 eyes, hemianopsia group. All subjects were examined with Goldmann kinetic perimetry and Humphrey static perimetry. We studied the correlation of the VFS between Goldmann kinetic perimetry and Humphrey static perimetry according to the Korean Academy of Medical Science Guides for Impairment Evaluation (KAMS Guides) and American Medical Association Guides for the Evaluation of Permanent Impairment (AMA Guides).

Results

Regarding contraction of central visual field group, Goldmann VFS, Humphrey VFS and extended Humphery VFS showed no statistical significance (AMA: p = 0.50, p = 0.30, KMAS: p = 0.36, p = 0.18. respectively). In the irregular visual field and hemianopsia groups, Goldmann VFS and Humphrey VFS showed statistical significance (AMA: p = 0.00, p = 0.00, KMAS: p = 0.00, p = 0.00. respectively). Goldmann VFS and extended Humphrey VFS showed no statistical significance (AMA: p = 0.13, p = 0.12, KMAS: p = 0.08, p = 0.99. respectively).

Conclusions

The contraction of central visual field based on Humphrey static perimetry can be applied to visual disability evaluation. However, in the majority of cases, there is a difference between the two tests and Goldmann kinetic perimetry should be used first in the evaluation of visual field disability evaluation.

References

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Figure 1.
(A) The visual field score (VFS) calculated by American Medical Association’s Guides (AMA Guides, 2001, 5th edition). The testing grid is constructed by drawing 10 meridians (25°, 65°, 115°, 155°, 195°, 225°, 255°, 285°,315°, 345°). (B) The VFS calculated by Korean Academy of Medical Sciences’s Guides (KAMS Guides, 2011, 1st edi-tion). The testing grid is constructed by drawing 10 meridians (0°, 45°, 90°, 135°, 180°, 210°, 240°, 270°, 300°, 330°).(C) If only automated visual field plots are available, determine a pseudoisopter by drawing a line surrounding all points with a sensitivity of 10 dB or better, excluding points with <10 dB sensitivity. (D) The VFS calculated by AMA Guides, (E) The VFS calculated by KAMS Guides.
jkos-54-1907f1.tif
Figure 2.
Central visual field groups. (A) 48-year-old, female, retinitis pigmentosa. Goldmann VFS is closely akin to Humphrey VFSs in both guides. (B) 48-year-old, male, after panretinal photocoagulation state due to proliferative diabetic retinopathy. Goldmann VFS is closely akin to Humphrey VFSs in both guides.
jkos-54-1907f2.tif
Figure 3.
Irregular visual field groups. (A) 68-year-old, male, glaucoma. Humphery VFSs are underestimated than Goldmann VFS in both guides. (B) 57-year-old, male, glaucoma. Humphery VFSs are underestimated than Goldmann VFS in both guides. (C) 75-year-old, male, glaucoma. Extended Humphery VFS is overestimated than Goldmann VFS.
jkos-54-1907f3.tif
Figure 4.
Hemianopsia groups. (A) 47-year-old, male, subarachnoid hemorrhage. Goldmann VFS is closely akin to extended Humphrey VFS in both guides. (B) 75-year-old, female, intracranial hemorrhage. Extended Humphrey VFS is overestimated than Goldmann VFS in both guides.
jkos-54-1907f4.tif
Table 1.
Diagnosis of visual field defect groups
Group (n) Dignosis No. of patients (HVF 30-2/24-2)
Central VF (11) Retinitis pigmentosa 6 (4/2)
  After PRP state 4 (4/0)
  Panuveitis 1 (1/0)
Irregular VF (42) Glaucoma 32 (26/6)
  Retinal detachment 3 (3/0)
  Opitc neuritis 3 (3/0)
  Branch Retinal Vein Occlusion 2 (2/0)
  Traumatic Optic Neuropathy 2 (2/0)
Hemianopsia (13) Central Nervous System disease 13 (10/3)

VF = visual Field; PRP = panretinal photocoagulation; HVF = humphrey visual field.

Table 2.
Descriptive statistics for demographics and clinical characteristics of the study participants
Group (n) Normal (n=60) Central VF (n=11) Irregular VF (n=42) Hemianopsia (n=13) p-value*
Mean (age, years) 46.8 ± 14.6 53.6 ± 5.0 55.7 ± 16.1 41.2 ± 19.0 0.02
Sex (M:F, number) 36:24 5:6 30:12 7:6 0.21
CDVA (log MAR) 0.00 ± 0.00 0.19 ± 0.21 0.05 ± 0.11 0.00 ± 0.00 0.00
SE (D) -1.13 ± 2.17 -0.92 ± 1.42 -0.64 ± 2.01 -0.84 ± 1.49 0.88
MD -3.0 ± 1.9 -23.0 ± 6.5 -12.1 ± 6.0 -17.4 ± 2.7 0.00
PSD 2.2 ± 0.7 8.9 ± 3.2 9.4 ± 3.2 16.1 ± 1.9 0.00

Values are presented as mean ± SD.

VF = visual field; CDVA = corrected distance visual acuity; log MAR = logarithm of the minimum angle of resolution; SE = spherical equivalence; D = diopter; MD = mean deviation; PSD = pattern standard deviation.

* Statistical significances were tested by Oneway analysis of variances among groups.

Table 3.
Comparison between Goldmann and Humphrey visual field score by AMA Guides
Group GVFS HVFS (p-value*) Extended HVFS (p-value*)
Normal 100.0 ± 0.0 70.0 ± 0.0 100.0 ± 0.0
Central VF 41.1 ± 15.6 38.3 ± 20.6 (0.50) 45.5 ± 21.7 (0.30)
Irregular VF 71.4 ± 19.6 56.1 ± 14.6 (0.00) 77.4 ± 21.7 (0.13)
Hemianopsia 54.0 ± 7.2 38.9 ± 6.2 (0.00) 55.5 ± 6.2 (0.12)

Values are presented as mean ± SD.

AMA = American medical association’s guides; GVFS = goldmann visual field score; HVFS = humphrey visual field score; VF = visual field.

* Statistical significances compared with GVFS were tested by paired t-test.

Table 4.
Comparison between Goldmann and Humphrey visual field score by KAMS Guides
Group GVFS HVFS (p-value*) Extended HVFS (p-value*)
Normal 100.0 ± 0.0 70.0 ± 0.0 100.0 ± 0.0
Central VF 35.9 ± 14.4 32.18 ± 22.2 (0.36) 42.1 ± 24.3 (0.18)
Irregular VF 72.1 ± 18.5 54.2 ± 14.9 (0.00) 76.7 ± 24.4 (0.08)
Hemianopsia 53.4 ± 8.1 37.4 ± 8.9 (0.00) 53.4 ± 8.9 (0.99)

Values are presented as mean ± SD.

KAMS = Korean academy of medical sciences’ guides; GVFS = goldmann visual field score; HVFS = humphrey visual field score; VF = visual field.

* Statistical significances compared with GVFS were tested by paired t-test.

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