For fighter pilots, it is a minimum requirement. But having 20/20 ‘visual acuity’ (correct term) does not necessarily mean you have perfect vision (as convention assumes); instead, it indicates sharpness and clarity of vision at a distance. It is measured by a Snellen Chart, which displays letters of progressively smaller size and whereby 20/20 means that the test subject sees the same line of letters at 20 feet that a person with normal vision sees at 20 feet (or 6 metres; but 6/6 simply didn’t catch on).
08 Jan 2020
UK Housebuilding Sector: 2020 vision: Sharpness and clarity for industry prospects
Abbey Plc (ABBY:LON), 1,600 | Barratt Developments PLC (BDEV:LON), 688 | Bellway p.l.c. (BWY:LON), 2,818 | Berkeley Group Holdings plc (BKG:LON), 4,428 | Vistry Group PLC (VTY:LON), 874 | Cairn Homes PLC (CRN:LON), 87.6 | Countryside Properties Plc (CSP:LON), 425 | Crest Nicholson Holdings Plc (CRST:LON), 305 | MJ Gleeson PLC (GLE:LON), 741 | Glenveagh Properties Plc (GLV:LON), 84.7 | Inland Homes PLC (INL:LON), 56.5 | McCarthy & Stone PLC (MCS:LON), 120 | Persimmon Plc (PSN:LON), 2,681 | Redrow plc (RDW:LON), 522 | Springfield Properties PLC (SPR:LON), 134 | Taylor Wimpey plc (TW:LON), 156 | Watkin Jones Plc (WJG:LON), 199
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Tony Williams
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40 pages
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UK Housebuilding Sector: 2020 vision: Sharpness and clarity for industry prospects
Abbey Plc (ABBY:LON), 1,600 | Barratt Developments PLC (BDEV:LON), 688 | Bellway p.l.c. (BWY:LON), 2,818 | Berkeley Group Holdings plc (BKG:LON), 4,428 | Vistry Group PLC (VTY:LON), 874 | Cairn Homes PLC (CRN:LON), 87.6 | Countryside Properties Plc (CSP:LON), 425 | Crest Nicholson Holdings Plc (CRST:LON), 305 | MJ Gleeson PLC (GLE:LON), 741 | Glenveagh Properties Plc (GLV:LON), 84.7 | Inland Homes PLC (INL:LON), 56.5 | McCarthy & Stone PLC (MCS:LON), 120 | Persimmon Plc (PSN:LON), 2,681 | Redrow plc (RDW:LON), 522 | Springfield Properties PLC (SPR:LON), 134 | Taylor Wimpey plc (TW:LON), 156 | Watkin Jones Plc (WJG:LON), 199
- Published:
08 Jan 2020 -
Author:
Tony Williams -
Pages:
40 -
For fighter pilots, it is a minimum requirement. But having 20/20 ‘visual acuity’ (correct term) does not necessarily mean you have perfect vision (as convention assumes); instead, it indicates sharpness and clarity of vision at a distance. It is measured by a Snellen Chart, which displays letters of progressively smaller size and whereby 20/20 means that the test subject sees the same line of letters at 20 feet that a person with normal vision sees at 20 feet (or 6 metres; but 6/6 simply didn’t catch on).