Table 1.

Mass Spectrometry Analysis of Vitreous Specimens

Heavy Metal	Patient Vitreous Concentration* (mcg/L)	Control Vitreous Concentration** (mcg/L)	Measurement Standard Deviation (mcg/L)	Patient / Control (%)
Titanium	623844.5	20.3	± 6.3	3073026
Chromium	1582.7	14.5	± 0.5	10815
Nickel	833.1	8.2	± 1.0	10060
Manganese	177.9	4.1	± 0.1	4239
Arsenic	98.3	0.4	± 0.1	24475
Copper	58.3	0.5	± 0.0	12856
Cobalt	25.5	0.7	± 0.1	3543
Selenium	22.0	11.2	± 1.1	96
Zinc	12.2	2.3	± 0.3	431
Antimony	9.3	7.5	± 1.8	24
Lead	3.0	0.2	± 0.1	1400
Mercury	0.4	0.2	± 0.0	100
Cadmium	0.2	0.0	± 0.0	N/A
Beryllium	0.0	0.0	± 0.0	N/A
Thallium	0.0	0.0	± 0.0	N/A

^*Heavy metal concentrations in a vitreous cavity aspirate specimen from this scleral tattoo patient.

^**Heavy metal concentrations in a vitreous cavity aspirate specimen from an age-matched normal control patient.