Clinical Study on Diabetic Cataract

A review has been made of 500 cases of which had been undertaken fundoscopic and slit lamp examination. Senile cataract in diabetics tends to be associated with diabetes of long duration. They were analyzed according to sex, age, duration, fasting blood sugar level, visual acuity and fundus findings. The results are obtained as follows. 1. Incidence of cataract among 500 cases of diabetics is 41%. 2. Prevalence of cataract is significantly associated with duration of diabetes(P<0.005). 3. Prevalence of cataract is significantly associated with age over 40. 4. Prevalence of cataract is significantly correlated with FBS level with duration of diabetes of under 5 years(r=0.8). 5. prevalence of cataract is significantly associated with visual acuity(p<0.005). 6. Diabetic Retinopathy was found in 50% of those with cataract

Changes of Intraocular Pressure after General Anesthesis with Succinylcholine Pretreated with d-Tubocurarine and Pancuronium

Small dose of nondepolarizing muscle relaxants are often recommended as prior medication of succinylcholine in order to avoid the elevation of intraocular pressure elicited by succinylcholine The effects of muscle relaxants on the intraocular pressure were studied in 45 human subjects. Intraocular pressure was significantly lowerd by d-tubocurarine 3 mg from 14.7 mmHg to 11.3 mmHg, and by pancuronium 0.08 mg/kg from 15.6 mmHg to 13.4 mmHg. When succinylcholine was given alone, subjects shows a mean elevation in intraocular pressure. There were no significant changes in intraocular pressure between d-tubocurarine and pancuronium given prior to succinylcholine.

Retinal Hemorrhages in Newborn Infants

In newoborn infants, we can find the retinal hemorrhage, hyphema, vitreous hemorrhage, cataract, iridodialysis, choroidal rupture, lens dislocation and the injuries to the conjunctiva and lid due to birth injury. We studied the frequency, influencing factors, shape and absorption period of retinal hemorrhages in newborn infants by the following method. The 152 newborn infants that were delivered at the obstetric department of S.C.H. college hospital from May 25th '80 to June 29th '80 are examined with direct ophthalmscope after instillation of 1% mydriacyl solution. Fundus eyamination was done within 24 hour after delivery, 3rd day, 2nd week, and 3rd week. 1) The retinal hemorrhage is seen in 19.1% of newborn infant. 2) Bilaterality is over 55%. 3) Frequency is higher in primipara than in multipara and higher in over 30 years old mother and vaccum deliveries. 4) The retinal hemorrhages are absorpted about 1/2 of cases within 3 days and almost within 3 weeks.

Tattooing of the Cornea with Platinum Chloride

Untill now, we have been using Chinese ink for corneal tattooing. The reason is that it was difficult to get Platinum Chloride and Hydrazine Hydrate. As we got the result by using Platinum Chloride and Hydrazine Hydrate, we are reporting as follows: 1. Platinurn Chloride tattming has stained in black at corneal opacity equally. 2. It stains at corneal stroma without any injury and good especialIy when corneal tissue is thin. 3. It fully stains by seperating corneal epithelium and there are no complication and side reaction. 4. The method is simple and aseptic operation is possible. 5. The pain disappears after 2 days from the stain and conjuntiva injection disappears after 4~5 days from the stain. 6. The condition of stain is perfect although it has passed 4 months from the stain.

Two Cases of Giant Corneal Dermoids

Dermoid is a kind of choristoma and rare congenital benign tumor. It is ugly in appearance and especially dermoid appears at corneal limbus. The above 2 cases which we report invade cornea and it is especially giant compared with the report which has been reported untill now.