Democratic Sentinel, Volume 9, Number 2, Rensselaer, Jasper County, 6 February 1885 — Mysteries of the Human Eye. [ARTICLE]
Mysteries of the Human Eye.
[Scientific. American.] The accommodation !■< one which surrouncs the lens of the eye.— When it is wanted to gaze at objects neat at hand, this muscle relaxes and allows the lens to thicken, increasing its retractive power at the same time tha; the muscles on the iunet or nasal side of the eye contract o r direct the eyes to tilt point gated at. It is in these muscles that tatigu*is felt, and <a.e tii.ds relief in closing the tye or in gazing at u at a <J lance. The chief source d fatigue is the lack of balance in Ute two se's of mucr ano outer muscles ot nccomiijo'! ,t jun. It may tie set down Hut mere is something wrong wi.en the eye incomes fatigued. The deieetivn eye, ns ir, ~ives out sooner, is really safer from severe strains. ’ he usual indicate n of attain is n iedness ol the ritu of the eyelid, betokening * congested state of'tlie inner surface, accompanied with some pain. H 7 hen it is shown that tne eye is not eou.il to the work required of it. the proper remedy is not rest, for that is fa tal to its strength, hut the use of glasses ot sufficient power to render unnecessary so much effort in accommodating the. eye to vision. It is not good set: e to waste time in resting ‘the eye, and that practice doe.not strer gthen it. Eyes begin to age at about the tenth or iweltui _>ear ot life., when they have reached their lull uevelopnrent. At the age oi only.uve or fifty years the tenses cease to tnii.*uen, when the t l-eSboie is removed and the prcsbyopiac, oi oiu sigut, begins. When a child is compelled to use or require the use of glas ß t- there is little reason to hope that it \. ill outgrow the need, but the person wii, ts e these glasses us a basis, adding oti glasses as he r aches the age when o.u sight begins, or usiug ihtckei glasses. Di. ftoery, however, ioniums one case he had observed wu hecliUd hid outgrown the ue e o oi gm- ,-s, but in the meantime lie iiuu grown liutn a small aim l>uu) cniJo to u l.uge and well develop- <| mail. Second Bight, or the apparent recuv ay of.strength of vision, wuicu is some times seen in mo aged, Hr. Seely explained as a change —aa elongation—in the shape of ihe eyeball, by which Unperson becomes near sighted, accompanied by a change in the lets caused by the appearance of the co itract.
“The Noveiis ” s .no lir i ‘.'i e title of u ::ew pap ft just started I ■ Tew York, by John B. Alden, the “Literary’Revolutionist,” The price, also, is characteristic,— only sl.uO a yeas. It is not intended to enter into competition with the high'priced, but low-character, story papirs which darken the country like a pestilence, but will be almost entirely to high-class flc ion, such as finds place and welcome in the b<-5t magazines of the day and the pur'st homes of the land; making the paper an unrivaled (as to cost certainly) source of mental tecreation for the weary, and of en* -Trainmen! f r (I. During the year 11 ie are pnm.i.-e-i serial stories by William Black, Mrs. Oliphant, James Payn, Hugh Conway B. L. Farjeon, and other-*—certainly a good variety, as well as good quantity for the dollar. It is printed in large type, and is a handsome paper. For free specimen conies ajid/esa the publisher, John B. Alden, 393 Peso 1 ai reet, ISew York.
The Hudson (N. Y.) Gazette will on April 7 issue a centennial number. The Ga/ette espoused the democratic cause when the party was found- d under Thomas Jefferson, ariu has continued an unswervi - g advocate of democretic principles up to the present lime.
