Table 3
Indication of thermal retinal damage with a 300 μm fibre diameter and a 20° acceptance angle, according to the ICNIRP guidelines. Sources of various brands (brand 1–4) were measured with filters that were provided by the manufacturer (filter A–E) or without filter (no filter)
| Distance (mm) | 0 | 0 | 0 | 0 |
|---|---|---|---|---|
| Time (s) | 1.0 | 1.0 | 1.0 | 1.0 |
| Light source | without filters | with GG475 | with OG450 | With OG435 |
| Metal halide, brand 1, no filter | Yes | Yes | Yes | Yes |
| Metal halide, brand 1, filter A | Yes | Yes | Yes | Yes |
| Metal halide, brand 1, filter B | Yes | Yes | Yes | Yes |
| Metal halide, brand 2, no filter | Yes | Yes | Yes | Yes |
| Metal halide, brand 2, filter C | Yes | No | No | Yes |
| Halogen, brand 3, no filter | No | No | No | No |
| Halogen, brand 4, no filter | Yes | No | No | Yes |
| Xenon, brand 2, filter C | Yes | Yes | Yes | Yes |
| Xenon, brand 2, filter D | Yes | No | Yes | Yes |
| Xenon, brand 2, filter E | Yes | Yes | Yes | Yes |
