BINOCULAR VISION.

Waikato Times, Volume 119, Issue 19895, 26 May 1936, Page 11

BINOCULAR VISION.

WHAT IT MEANS To YOU. 01’ all the five senses SIGHT is perhaps the last one that most individuals would sacrifice. Through the eyes comes most of one's education, in the form or reading and observation, and through the eyes comes also most ‘of one‘s appreciation of the delights iof li‘vingwcol‘our, perspective, mass 3 and shape. Those of us who possess good eye—sight often do not realise the value or this great asset until the eyes hecome defective. .\lost eye troubles if arrested in their early stage-s can be either cured or rectified thy medical or optical treatment, so the wisdom of havinglone‘s eyes tested from time to time can readily be recognised. In recent years great strides have been made in ocular research. and defects of vision that were a few years ago thought incurable except by operative means can now be corrected with glasses. Perhaps the greatest achievement has been made indeveloping binocular Vision in cases of squints. Binocular vision is the faculty of seeing with “both eyes but having the mental appreciation of a single stereoscopic image. 011 binocular vision depends to a great extent one's judgment of distance. speed, depth and solidity. Those who unknowingly use only one eye nth time are under a great handicap as they cannot judge distances, etc., quickly, and in pursuits such as sports, motoring and aviation this is most essential. The lack of binocular vision, [trough usually mani—i‘cst by a squint, can only, be determinrii try a sight test with correct inslrtimcnts. liali‘uur Irvine and “piston Ltd., the \\'ell-knnwn Hamilton firm of op—lil'ians, have recently installed what is known as the. British lion-acting in“. This remarkable apparatus not only asn'rrtnins correct glasses rc—quirmi. Jiut is also used for the liieilS' ui‘ing and treatment of squints. Show \‘isliul‘s would be well advised to visit Balfour, lrvine and Webster, Ltd., iii) Victoria Street, Hamilton. where Mr C. .\lcllwraith, who is n tllroctor of the firm, attends personally to all eyesight testing. Being Fellow or the British Opticians' Associaiiuii, and the \\‘orshi-pful Company ‘ui' Spectacle—makers (by exmn., Lon—‘donj‘. he is in a position to give expert ‘adviro on z‘il optical matters. 958