INTRODUCTION. 0 CONTENTS 0ooo.o occcc ciceee ceeecceeteccnseteteenee teense Background... cc ee cette cette te cenetneteeee cee cette seeeee eva Organization of the 1967-69 Surveys....0.0 Lo eeeeeeeees FINDINGS .20000.000ccccceccteceeee ceceee ceeeneeseeaeeseneececntteeceeeees Gees cose: ceeeees ceuteenenseiteeess feist sa General Medical Status......0..0.0000c cece cc cscecneetee ocenee ceseceeseceeneese Gen ceeenenesetee sete enes - Uri ce eee cen cette cette cntee creo cet tetenees teeetiette cpeee centeenecnenes . Physical Examinations - Children...020.00000 ccc cece cecceeceteee oe teecsesteeeeeeceecasrecaeeenees . Physical Examinations - Adults.....00.0000000000 cee 6 cee ceteete cette cette cue tents ceeeeee . 14 Ophthalmological Findings, 1967 Survey... ccc cece ee teeeeccneneececntneeeneneete cee trees 14 Results of Slit-Lamp Microscopic Examination, 1969 Survey... eee 16 Methods... ieee eececceecee eee ceeeeceeeess cesses case caesesagaeesseessciecsecrssesscsteesnesesaeereceesaneeees Results... ccc ceeccee ces eeececeeeceeceeaeeesseeaeeeneeecitee cf geeneceseeevecssseevensesesee eueesseneneees eneees Discussion... 00.0... cece cece ce eee cee cee ceca eeee sete seeeecnsceecieeetiteccssaesseastevattertecneetneseeeeenentueseees Thyroid Findings... cise eee see ceeeecceene cae coeeeeeessesteuseauecseesite cannes senvenecensenseaes Estimation of Dose of Radiation to the Thyroid Glands...0.0.0.000.0 cee cece Previous Thyroid Studies...0.0.0.00.0 cece ccceee cere teesee cet estaeteeecicneeesecereenscisueneensuestentereeess 20 Development of Thyroid Lesions... 0c cece cece ceee etre eaters neattee nesses seneereeene ras al Surgical Exploration of Thyroid Nodules......0..0.0.0.00.0ccccceeeese ees ceeeteeeceeeneenenee ee . 25 Thyroid Function: Correlation With Retardation of Growth in Children... |... 25 Influence of Physiological Stress on Thyroid Abnormailities.....0.000000000000 ee 25 Sex Incidence... eee ieeesec cseeesuseueeeteeentestnteee sesatesecenesenseaveveetentice ete 29 Discussiomy.........0cccccccccccccccceeccsce cece cevscesscevesceseuecesescessersesestessesussssesssevstsateautessevstenssentteeseess 29 ill