Acquired color vision and visual field defects in patients with ocular hypertension and early glaucoma

Figures & data

Table 1 Total error score (± SD) in follow-up period

	Baseline	12 months	24 months	36 months	48 months
OH	75.51 (± 31.57)	77.62 (± 35.92)	85.46 (± 36.12)	89.51 (± 39.8)	93.62 (± 43.56)
POAG	157.89 (± 31.79)	178.51 (± 34.54)	195.03 (± 41.21)	211.51 (± 35.71)	232.26 (± 31.8)
t-value	−12.816	−14.155	−13.823	−16.029	−18.304

Abbreviations: OH, ocular hypertension; POAG, primary open-angle glaucoma; SD, standard deviation.

Table 2 Comparison of the initial test (TES₀) and the first follow up test (TES₁₂) regarding the color vision defects in glaucoma patients

Statistical data of the first two tests in glaucoma patients
	No. of eyes	Mean	SD	SE
TES0	56	157.89	±31.79	4.249
TES12	56	178.51	±34.54	4.616

Abbreviations: SD, standard deviation; SE, standard error of mean; TES, total error score.

Table 3 Comparison of the initial test (TES₀) and the first follow up test (TES₁₂) regarding the color vision defects in glaucoma-free patients

Data of the first two tests in patients who did not develop glaucoma
	No. of eyes	Mean	SD	SE
TES0	43	75.51	±31.57	4.815
TES12	43	77.62	±35.93	5.479

Abbreviations: SD, standard deviation; SE, standard error of mean; TES, total error score.

Table 4 A summary of the values of Pearson r correlation coefficient, the TES from 0–48 months in relation to the MD, and the CPSD after 48 months of follow-up

Correlation coefficients between color perception and HVF-test results
	TES0	TES12	TES24	TES36	TES48
MD48	−0.8515	−0.8855	−0.8944	−0.9114	−0.9217
CPSD48	0.6857	0.7000	0.7027	0.7192	0.7344

Abbreviations: CPSD, corrected pattern standard deviation; MD, mean deviation; TES, total error score.

Figure 1 Graphical representation of the color vision axis defect.

Figure 2 Diagram correlating MD and CPSD with the TES.

Abbreviations: CPSD, corrected pattern standard deviation; MD, mean deviation; TES, total error score.