The Sight and how to Preserve it |
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Page 14
... observe the following rules : 1. Cease to use the eyes for the time being , and look away from the work , when sight becomes in the least painful , blurred , or indistinct . After per- fect rest for a moment , or longer , work may be ...
... observe the following rules : 1. Cease to use the eyes for the time being , and look away from the work , when sight becomes in the least painful , blurred , or indistinct . After per- fect rest for a moment , or longer , work may be ...
Page 18
... observe that in Fig . D the rays of light are there again brought to a focus by means of the muscular adjusting power , or what we call the accommodative power . Notice in this figure that the lens ( L ) is more convex or full than in ...
... observe that in Fig . D the rays of light are there again brought to a focus by means of the muscular adjusting power , or what we call the accommodative power . Notice in this figure that the lens ( L ) is more convex or full than in ...
Page 47
... observed to avoid a bright light in reading and study , and are noticed to hold the book more or less at one side , as well as very near the eyes , it probably will be found that CATARACT IN CHILDREN . 47 BABIES' SORE EYES CATARACT IN ...
... observed to avoid a bright light in reading and study , and are noticed to hold the book more or less at one side , as well as very near the eyes , it probably will be found that CATARACT IN CHILDREN . 47 BABIES' SORE EYES CATARACT IN ...
Page 50
... observed when neither parents nor relatives , so far as can be learned , are similarly affected . Too much study , too much school , too continuous use of the eyes on near objects , too little out - door life and exercise of the eyes in ...
... observed when neither parents nor relatives , so far as can be learned , are similarly affected . Too much study , too much school , too continuous use of the eyes on near objects , too little out - door life and exercise of the eyes in ...
Page 6
... observed in the British Isles . Illustrated with 238 Coloured Plates . Five vols . , super - royal 8vo , cloth , £ 5 5s . ; reduced price £ 3 19s . BURBIDGE , F. W. With COOL ORCHIDS , and How to Grow Them . Descriptive List of all the ...
... observed in the British Isles . Illustrated with 238 Coloured Plates . Five vols . , super - royal 8vo , cloth , £ 5 5s . ; reduced price £ 3 19s . BURBIDGE , F. W. With COOL ORCHIDS , and How to Grow Them . Descriptive List of all the ...
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Common terms and phrases
30 Coloured Plates accommodative power adjusting power BOTANY BRITISH BIRDS BRITISH BUTTERFLIES brought cataract cinder cloth extra cloth gilt Coloured Figures concave glasses Containing convex glasses Crown 8vo Demy 8vo Descriptions disease distant objects Enlarged enter the eye eye-ball eye-glasses fatigue Fcap FERNS Figures of Eighty FLOWERING PLANTS FLOWERS focus focussing power Fourth Edition HARDWICKE & BOGUE Health HENRY POWER Illustrated with 32 Illustrated with numerous inches J. E. TAYLOR JARDINE Larvæ Lecture lens London look MANUAL Marsupialia MICROSCOPE MORTIMER GRANVILLE muscle of accommodation muscle of convergence myopia NATURAL HISTORY NEAR-SIGHT IN CHILDREN noticed numerous Illustrations numerous Woodcuts oculist old sight pain Piccadilly Plain and Easy Plants PROGRESSIVE NEAR-SIGHT pupil Quarterly R. A. PROCTOR rays of light reach the retina reduced price 16s regard near objects Science Gossip Second Edition seen in Fig Sir WILLIAM JARDINE Species super-royal 8vo Third Edition tion tissues upper lid Vols weak sight Woodcuts
Popular passages
Page 26 - BONAPARTE. NEW AND ENLARGED EDITION, completed by the insertion of above One Hundred Birds omitted in the original Work, and Illustrated by valuable Notes, and Life of the Author, by Sir WILLIAM JARDINE. Three...
Page 51 - The educational abomination of desolation of the present day is the stimulation of young people to work at high pressure by incessant competitive examinations. Some wise man (who probably was not an early riser) has said of early risers in general, that they are conceited all the forenoon and stupid all the afternoon.
Page 15 - A PLAIN and EASY ACCOUNT of BRITISH FERNS. Together with their Classification, Arrangement of Genera, Structures, and Functions, Directions for Out-door and Indoor Cultivation, &c. Numerous Coloured Illustrations. A New Edition in preparation.
Page 28 - SCIENCE GOSSIP: An Illustrated Medium of Interchange and Gossip for Students and Lovers of Nature. Edited by JE TAYLOR, Ph.D., FLS, FGS, &c.
Page 11 - By HERBERT FRY. Showing, in alphabetical order, their Name, Date of Foundation, Address, Objects, Annual Income, Chief Officials, &c.
Page 9 - THOMAS, THE PREPARATION and MOUNTING of MICROSCOPIC OBJECTS. New Edition, greatly Enlarged and brought up to the Present Time by JOHN MATTHEWS, MD, FRMS, Vice-President of the Quekett Microscopical Club. Fcap. 8vo, cloth, 2s.
Page 22 - Drawing of every British Plant. Edited and brought up to the Present Standard of Scientific Knowledge by T. BOSWELL (formerly SYME), LL.DFLS, &c. With Popular Descriptions of the Uses, History, and Traditions of each Plant, by Mrs. LANKESTEB, Author of " Wild Flowers Worth Notice," " The British Ferns,
Page 22 - FLS MUSHROOMS AND TOADSTOOLS: How to Distinguish easily the Difference between Edible and Poisonous Fungi. Two large Sheets, containing Figures of 29 Edible and 31 Poisonous Species, drawn the natural size, and Coloured from Living Specimens. With descriptive letterpress, 6s. ; on canvas, in cloth case for pocket, los.
Page 25 - Containing an Alphabetical List of the House of Lords, Dates of Creation, Lists of Scotch and Irish Peers, Addresses, &c. 32mo, cloth, is. Published annually. THE SHILLING BARONETAGE. Containing an Alphabetical List of the Baronets of the United Kingdom, Short Biographical Notices, Dates of Creation, Addresses, &c.
Page 18 - Man. INSECTS, 7 Vols. Introduction to Entomology, British Butterflies and Moths, 2 Vols., Foreign Butterflies and Moths, 2 Vols., Beetles, Bees. FISHES, 6 Vols. Introduction and Foreign Fishes, British Fishes, 2 Vols., Perch Family, Fishes of Guiana, 2 Vols. Fuller Details of these will be found under the authors