me chronological age leveis. td children were less mature . The retardation was most ic exposed during infancy to see Figure 18). Skeletal age * examinations of this paricn are shown in Table 15. the period since 1958 are stail elsewhere.'- Complete ‘tric measurements on the 25 eral observation that the Marshallese age faster than Americans. The incidence was higher in the exposed group (36% ) than in the unexposed group (19%). However, recent analysis of aging critena did not show any significant differences between exposed and unexposed groups. Though diabetes mellitus has a moderately high incidence in the Marshall Islanders, only one case of diabetic retinopathy was noted. Thisis in keeping with the observation that the onsetofdiabetes in the Marshallese occurs largely in older individuals. fating back to the early surAppendices 1! through 16. ings similar age groups in the is in keeping with the gen- bruary 1953 ve examinauons, years C.A.=9 vr 7M 3 36 Bia 64 10 10 10 7% NE 10 9 C.A.=10 vr B% 3 NE* 9 8 NE 11 i034 4 NE 10% 10 Theincidence of abnormalities of the crystalline lens 1s greater in the Marshall Islanders than in similar age groups in the United States. Furthermore, the incidence of such abnormalities was Exposed No. ™ Children of exposed No. a No. te Number examined 68 Anpocona Antenor staphyloma Arcus senilis I i 25 1.40 1.40 36.70 { 0.52 37 19.46 j 4.20 2 3 1.05 157 2 3 1 2.80 4.20 1.40 2 1.05 18 l 12 2 26.30 1.40 17 60 2.80 l 41 3 25 1 0.52 21.57 1.37 10.64 G 52 1 1.40 2 1 2 105 0.32 1.05 Argyll Roberson pupil Cha!azron Charoiditis old, healed with scars) Conpunctivitis Corneal pigment Corneal scar Driisen Duane’s syndrome Lens: Polychromatic sheen Opacines & cataract: presenile senile Aphalaa Leprosy, eve signs of Macular degeneration Molluscum contagiosum Melanomaofiris Melanomaof conjunctiva Nvstagmus 1 1 1 45 Controls 190 1.40 1.40 1 40 I 0.52 1 140 Pinguecula 11 16 20 17 8.44 Ptervgium 20 29 40 3B 19 98 1 4 2 140 6.00 2.80 ! 1 1 9 > 052 052 9 32 4 68 260 t 032 3 7 2 165 wo ‘cus senilis is higher in the higher incidence in the exposed group may be related to contamination of the conjunctival sac with fallout material at the time of the accident. Ophthalmological Survey, 1964 comparison population; a s and a lowerincidence of blyopia ex anopsia, reti‘oblastoma,and congenital (see Table 16). It has been postulated that the Table 16 examinations were carried sed, 45 children of exposed, is Surveys, there was an inarge corneas and enlarged The incidence of pinguecula and pterygium is high in the Marshall Islands. and also slightiv higher in the exposed group than in the unexposed 052 Proproas Phthons bulbi Positive Rhomberg Reunal arteriosclerosis Reunal scars Reunal hemorrhage 1 2 1.40 Strabumus: Internal External Seventh nerve weakness Vitreous opacities 1 2.2 105 — ‘urvevs) have persisted. In ‘ulich and Pyle standards. ent of Marshallese children 37