London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Enfield 1967
[Report of the Medical Officer of Health for Enfield]
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| Cause of Disability | |||||
|---|---|---|---|---|---|
| Cataract | Glaucoma | Retrolental Fibroplasia | Myopia | Others | |
| (i) Number of cases registered during the year in respect of which Forms B.D.8 recommended : | |||||
| (a) No treatment | 2 | — | — | 2 | 23 |
| (b) Treatment (medical, surgical, optical or ophthalmic medical supervision) | 7 | 15 | - | 5 | 40 |
| (ii) Number of cases at (i) (b) above which on follow-up action : | |||||
| (a) Have completed treatment | 2 | 1 | — | — | — |
| (b) Treatment started, but not completed | - | 11 | - | 4 | 38 |
| (c) Awaiting treatment | 4 | 2 | - | — | 1 |
| (d) Refused treatment | 1 | — | - | 1 | — |
| (e) Died or removed from the borough | - | 1 | - | - | 1 |
| (iii) Number of new cases registered as at 31st December, 1967 | 9 | 15 | — | 7 | 63 |
| (iv) Total number of cases registered as at 31st December, 1967 678 | |||||
| Average Results in milligrams per litre where applicable | ||||||
|---|---|---|---|---|---|---|
| *Thames Derived North of River | New River Derived | Copper-mills Works | Hoe Lane Well Derived | Hadley Road Well Derived | Waltham Abbey Well Derived | |
| Number of samples | 207 | 104 | 7 | 4 | 4 | 4 |
| Albuminoid Nitrogen | 0.090 | 0.068 | 0.123 | 0.043 | 0.034 | 0.046 |
| Ammoniacal Nitrogen | 0.026 | 0.018 | 0.028 | 0.149 | 0.135 | 0.175 |
| Nitrate Nitrogen | 4.1 | 5.2 | 4.3 | — | — | 0.2 |
| Oxygen abs. from KMnO4 4 hrs. at 27° C | 1.12 | 0.60 | 1.21 | 0.39 | 0.13 | 0.42 |
| Hardness (total) CaC03 | 289 | 309 | 319 | 419 | 287 | 281 |
| Hardness (non-carbonate) CaCO3 | 75 | 76 | 100 | 170 | 53 | 62 |
| Magnesium as Mg | 5 | 5 | 7 | 23 | 27 | 25 |
| Sodium Potassium as Na | 22.3 | 28.9 | 33.4 | 19.5 | 27.5 | 26 |
| Sodium Potassium as K | 5.0 | 4.8 | 7.2 | 5.1 | 8.3 | 5.7 |
| Chloride as CI | 30 | 35 | 41 | 30 | 22 | 24 |
| Phosphate as PO4 | 1.9 | 1.4 | 2.3 | — | — | — |
| Silicate as SiO2 | 10 | 10 | 7 | — | — | — |
| Sulphate as SO4 | 62 | 64 | 104 | 160 | 68 | 84 |
| Natural Fluoride as F | 0.30 | 0.30 | 0.35 | 0.65 | 1.15 | 0.70 |
| Surface-active material as Manoxol OT | 0.01 | 0.01 | 0.03 | - | - | - |
| CO2 | — | — | — | 30 | 21 | 16.5 |
| Turbidity units | 0.1 | 0.1 | 0.1 | 0.9 | 0.6 | 1.1 |
| Colour (Burgess units) | 12 | 6 | 10 | 9 | 4 | 6 |
| pH Value | 7.9 | 7.8 | 8.3 | 7.2 | 7.4 | 7.5 |
| Electrical Conductivity (micromhos) | 600 | 660 | 730 | 770 | 600 | 580 |
* Ashford Common, Kempton Park, Hanworth Road and Barn Elms
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