1. |
A COMPARATIVE ASSESSMENT OF EYE PROTECTIVE DEVICES AND A PROPOSED SYSTEM OF ACCEPTANCE TESTING AND GRADING |
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American Journal of Optometry and Archives of American Academy of Optometry,
Volume 49,
Issue 4,
1972,
Page 287-303
E. Wigglesworth,
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摘要:
This paper presents the results of ballistic and. where appropriate, drop-ball tests on the following piano eye protective devices: (i) goggles fitted with polycarbonate, cellulose acetate, gauze and polymethyl methacrylate lenses: (ii) facesbields with cellulose acetate visors: and (iii) several clip-on configurations. The results are discussed separately and arc also presented graphically to permit comparison with earlier similar data for allyl resin and thermally toughened glass. These results suggest the need for a gradation of eye protective devices based on impact resistance. Suitable tests, using a 25 mm diameter steel ball and a 3 mm steel ball are suggested.
ISSN:0002-9408
出版商:OVID
年代:1972
数据来源: OVID
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2. |
THE EFFECT OF CONTACT LENS THICKNESS AND CORNEAL TORICITY ON FLEXURE AND RESIDUAL ASTIGMATISM |
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American Journal of Optometry and Archives of American Academy of Optometry,
Volume 49,
Issue 4,
1972,
Page 304-307
Michael Harris,
Collin Chu,
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摘要:
Contact lens flexure and the associated change in residual astigmatism were measured with lenses of various center thicknesses on corneas of various toricities. On spherical and near-spherical corneas, none of the lenses flexed significantly or altered the residual astigmatism. On toric corneas, thick lenses (t > 0.13 mm) did not flex significantly: however, thin lenses (t < 0.13 mm) did flex significantly, and did alter residual astigmatism in a predictable manner. The findings of this study can be used to alter the amount of residual astigmatism of toric corneas by making appropriate changes in contact lens center thickness.
ISSN:0002-9408
出版商:OVID
年代:1972
数据来源: OVID
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3. |
CATARACTS INDUCED IN GUINEA PIGS BY ACETONE, CYCLOHEXANONE, AND DIMETHYL SULFOXIDE |
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American Journal of Optometry and Archives of American Academy of Optometry,
Volume 49,
Issue 4,
1972,
Page 308-319
Roy Rengstorff,
John Petrali,
Van Sim,
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摘要:
Small, multiple doses of acetone, cyclohexanone and dimethyl sulfoxide administered either topically or subcutaneously on the backs of guinea pigs over a period of 3 to 8 weeks caused cataracts in 29 out of 120 animals. Lens changes began as early as 8 weeks and as late as 6 months. They consisted of subcapsular focal or extensive vacuolated areas extending from the periphery towards the center of the lens. The histological appearance of the lenses was similar to that of senile cataracts and some forms of diabetic cataracts.
ISSN:0002-9408
出版商:OVID
年代:1972
数据来源: OVID
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4. |
GLASS VERSUS PLASTIC LENSES — AN AIR FORCE REPLACEMENT AND DURABILITY STUDY |
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American Journal of Optometry and Archives of American Academy of Optometry,
Volume 49,
Issue 4,
1972,
Page 320-328
Bertram Targove,
J. Miller,
Thomas Tredici,
Benjamin Kislin,
Alton Rahe,
Wayne Provines,
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摘要:
This study evaluates the replacement rate of glass and plastic CR-39 lenses and compares the durability of glass and plastic lenses in the Air Force environment. One thousand pairs of spectacles having one glass lens and one plastic lens were dispensed to military personnel at four Air Force bases with different climates. Replacement of plastic or glass lenses was made on the basis of subject response during triannual inspection visits. Comparative durability was assessed on the basis of hazemeter readings and visual inspection. A significantly higher plastic lens replacement rate was found. Plastic lens scratching compared to glass lens scratching increased with time.
ISSN:0002-9408
出版商:OVID
年代:1972
数据来源: OVID
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5. |
PHYSIOLOGICAL TESTS FOR NEW CONTACT LENS MATERIALS |
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American Journal of Optometry and Archives of American Academy of Optometry,
Volume 49,
Issue 4,
1972,
Page 329-332
C. Uniacke,
R. Hill,
M. Greenberg,
S. Seward,
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摘要:
Parallel changes in the glycogen content, LDH concentration and thickness of the corneal epithelium were measured as a function of exposure to oxygen deficient atmospheres for a reference period of two hours.
ISSN:0002-9408
出版商:OVID
年代:1972
数据来源: OVID
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6. |
EFFECT OF INDUCED ANISOMETROPIA ON DEPTH PERCEPTION |
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American Journal of Optometry and Archives of American Academy of Optometry,
Volume 49,
Issue 4,
1972,
Page 333-334
Jin Ong,
William Burley,
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摘要:
Depth perception of 25 male college subjects was measured with the Howard-Dolman Apparatus and with various lenses from ± 2.00 D placed over one eye to induce anisometropia. Results showed that depth perceptual measures are very reliable (r = + 0.96) and that the average depth perceptual error is affected by both plus- as well as minus-lens induced antsometropia in the form of a V-shape curve, which is minimal at the vertex where there is zero lens addition over best visual acuity corrections, proportionally increases with both plus- and minus-lens induced anisometropia. and gradually levels off beyond the ± 1.00 D levels.
ISSN:0002-9408
出版商:OVID
年代:1972
数据来源: OVID
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7. |
THE ADVERSE EFFECTS OF COMMONLY USED SYSTEMIC DRUGS ON THE HUMAN EYE — PART II |
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American Journal of Optometry and Archives of American Academy of Optometry,
Volume 49,
Issue 4,
1972,
Page 335-362
H. Silverman,
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摘要:
Four tables are presented listing the adverse effects of commonly used drugs on the human eye. Both brand names and generic names of drugs are used. The optometrist using the tables can look up either the drug (to find the adverse effects) or the symptom (to find the drugs that might cause it).
ISSN:0002-9408
出版商:OVID
年代:1972
数据来源: OVID
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8. |
THE OPTOMETRISTS' BOOKSHELF |
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American Journal of Optometry and Archives of American Academy of Optometry,
Volume 49,
Issue 4,
1972,
Page 363-363
Monroe Hirsch,
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ISSN:0002-9408
出版商:OVID
年代:1972
数据来源: OVID
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9. |
Synopsis of Ophthalmology |
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American Journal of Optometry and Archives of American Academy of Optometry,
Volume 49,
Issue 4,
1972,
Page 364-364
WILLIAM HAVENER,
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ISSN:0002-9408
出版商:OVID
年代:1972
数据来源: OVID
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10. |
Sight Restoration After Long Term BlindnessThe Problems and Behavior Patterns of Visual Rehabilitation |
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American Journal of Optometry and Archives of American Academy of Optometry,
Volume 49,
Issue 4,
1972,
Page 365-365
ALBERTO VALVO,
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ISSN:0002-9408
出版商:OVID
年代:1972
数据来源: OVID
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