AIM:To compare the difference between diopter of refration measured after cycloplegic mydriasis with retinoscopy and hand-held autorefractor so as to explore the feasibility of using hand - held autorefractor for refraction screening in cadet candidates.
METHODS:Respectively using hand-held autorefractor and streak retinoscope to do optometry examination in 317 cadet candidates students ( 634 eyes ) after mydriasis. Main index of refraction values ( spherical, cylindrical mirror degree and axial) were analyzed by difference test and correlation analysis. And the elimination rate was comparatively analyzed.
RESULTS: Diopters of sphere and cyclic refraction measured by hand-held autorefration were significantly higher than those by retinoscopy ( P< 0. 05 ), but the correction analysis showed that there was high correlation (r=0. 733, 0. 694), axial of refration measured by these two methods were non - significant ( P > 0. 05 ). The disqualifying rate using autorefraction was much higher than that using retinoscopy. It was easy to be wrongly eliminated.
CONCLUSION:Because of the high correlation between diopters of autorefraction measured by retinascopy and autorefractor, autorefraction has application value in refraction screening in cadet candidates with normal vision.

To the cataract patient after corneal refractive surgery, if the intraocular lens power was determined by conventional formulas, different refractive errors may be produced after intraocular lens implantation.This inaccuracy of the lens power mainly came from 2 aspects-errors of corneal refractive power measurement and errors of formulas.Besides, imprecise of ocular axial length measurement and invalid lens position calculation also contributed to the inaccuracy of lens power.Therefore, in order to reduce refractive errors of cataractous surgery in patient underwent refractive surgery, appropriate method should be used to estimate the refractive power of corneal, and proper formula should be selected to calculate intraocular lens power.

Adenocarcinoma ; metabolism ; secondary ; surgery ; Carcinoembryonic Antigen ; metabolism ; Carcinoma, Hepatocellular ; metabolism ; secondary ; surgery ; Colectomy ; Colonic Neoplasms ; metabolism ; pathology ; surgery ; Diagnosis, Differential ; Humans ; Keratin-18 ; metabolism ; Liver Neoplasms ; metabolism ; secondary ; surgery ; Male ; Middle Aged ; alpha-Fetoproteins ; metabolism

Antiphospholipid Syndrome ; pathology ; physiopathology ; Child ; Female ; Follow-Up Studies ; Humans

Objective To evaluate the effects of spinal segmental stabilization exercises (SSE)at home on the quality of life for community dwelling elderly patients with lower back pain.Methods Eighty elderly patients with lower back pain were divided into two groups according to the random number method:the experimental group,which received intervention for three months,and the control group,which received no intervention.Evaluation was conducted using the Oswestry Disability Index (ODI) and the WHO Quality of Life-BREF (WHOQOL BREF).Results The ODI and WHOQOL-BREF scores for the control group were (0.32 ± 0.09) and (87.65 ± 8.63),respectively,before treatment,and (0.32± 0.07) and (87.98 ±8.15),respectively,three months after treatment; the scores for the experimental group were (0.32 ± 0.09) and (87.97 ± 8.71),respectively,before treatment,and (0.27 ± 0.09) and (92.30 ± 9.64),respectively,three months after treatment.No statistically significant difference was found in ODI and WHOQOL-BREF scores in the control group before and three months after treatment (t=0.311 and-0.672,respectively; P ＞0.05 for both),while statistically significant differences were detected before and three months after treatment (t =0.311 and-0.672,respectively; P＜ 0.05 for both).Differences in ODI and WHOQOL-BREF scores were also found between the experimental group and the control group three months after treatment (t=8.500 and-4.526,respectively; P＜0.05 for both).Conclusions Spinal segmental stabilization exercises can effectively relieve symptoms,improve body functions and uplift the quality of life for community-dwelling elderly patients with lower back pain.As a beneficial physical therapy option,SSE can be promoted in residential communities.

Objective To investigate the relationship between head nurse's authentic leadership and degree of solidarity among nurses in operating room.Method A total of 120 nurses in the operation room of 3 general hospitals in Jiamusi City were enrolled in the study by way of the questionnaire on authentic leadership and the scale of solidarity.Results The mean score on the head nurse's authentic leadership (41.28 ± 8.48) was above the middle-high level.The mean score on the solidarity (68.67 ± 8.82) was in the middle-high level.There was a positive correlation between the head nurses' authentic leadership and the degree of solidarity among nurses in the operating room.Conclusion Hospital and nursing administrators should take active and effective measures to improve the leadership of head nurses so as to improve the degree of solidarity among nurses in the operating room as well as the quality of nursing.

OBJECTIVE:To optimize the formulation of indomethacin-loading solid lipid nanoparticle(SLN). METHODS:Us-ing indomethacin as model drug,glyceryl behenate as oil phase,poloxamer 188 and polyethylene glycol-12-hydroxystearic acid as emulsifier,with turbidity,entrapment efficiency and drug loading amount as index,Box-Behnken response surface methodology was used to optimize the amount of oil phase,emulsifier-oil phase ratio,drug-oil phase ratio. The physicochemical properties of SLNs were characterized by SEM and DSC. RESULTS:The optimal formulation was as follows as oil phase of 0.91%,emulsifier-oil ratio of 1∶1,drug-oil phase ratio of 1∶5. The turbidity,entrapment efficiency and drug loading amount of prepared nanoparticle were 1 025-1 030 NTU,98.94%-99.08%,2.43%-2.46%,respectively;particle size and polydispersity index(PDI)were 181.5-182.3 nm and 0.340-0.341(n=3). The results of DSC showed that indomethacin was not present in crystalline state dispersed into SLNs. CONCLUSIONS:The optimal formulation is screened successfully,and indomethacin-loaded SLNs have been prepared.

Objective To determine the correlation between high serum levels of homocysteine (Hcy), low folate and
vitamin B12 levels and the clinical index of neonatal hypoxic ischemic encephalopathy (HIE), providing the reference for the diagnosis and treatment of neonatal patients with HIE. Methods Totally 94 cases of neonatal patients with HIE (32 mild, 40 moderate, and 22 severe) treated by Tianjin children’s hospital from April 2010 to April 2011 were enrolled. The control group was 20 cases of neonatal patients with neonatal swallowing syndrome at the same period. The serum levels of Hcy, folate and vitamin B12 were compared between four groups. Results There were significant differences in serum levels of Hcy, folate and vitamin B12 between four groups (P<0.05). Compared with the control group, there was higher level of Hcy and lower levels of folate and vitamin B12 in HIE groups. The Hcy levels increased with the deterioration of HIE in three HIE groups. The serum level of vitamin B12 was significantly lower in severe group than that in moderate group (P<0.05). Conclusion The serum Hcy level has certain reference value in tassessment of the severity of HIE. The supplementation of folate and vitamin B12 may play an active role in the process of the treatment in neonatal patients with HIE.

AIM: To explore the histopathologic changes of Reis-Bücklers corneal dystrophy ( RBCD) . · METHODS: Cornea buttons were obtained from patients in 1 pedigree who underwent lamella keratoplasty. Sections with HE and special staining which included symplectic blue staining and Masson staining and Congo red staining were observed under light microscope. Two normal cornea specimens ( donated corneas from eye bank) were used as control. ·RESULTS:In those patients, the bowman's membrane disappeared. The main lesion was in bowman's membrane through HE staining, positive through PAS Congo red staining and Masson staining, negative through symplectic blue staining. ·CONCLUSION: The Reis-Bücklers corneal dystrophy is characterized as geographic map-like lesion of bowman's membrane, and the abnormal extracellular deposit is amyloid protein fiber.

Objective To explore the feasibility of using portable γ spectrometer to rapidly identify the low activity of depleted uranium and the underlying conditions.Methods Firstly,high purity germanium (Ge) γ spectrometer was used to analyze energy spectrum of DU samples (5 g) and calculate nuclide percentage of 235U in an attempt to ascertain the properties of these DU samples.The portable γ spectrometer was used to provide the evidences for identification of DU samples.Secondly,portable γ spectrometer was also used to identify DU samples of same group.These samples contain 1 g DU powder and 0-5 g environmental clay powder,which were sealed with double layer pocket,and then detected with a distance of 1-5 cm during the longest detection time of 10 min.According to the detection of nuclide activity of 238U and 235U in the samples and the subsequent calculation of specific activity,the nuclide percentage composition was calculated and the existence of DU was confirmed if this value of 235U was less than 0.718％.Results The activity of 238U was detected using portable γ spectrometer under all test conditions,while the activity of 235U was detectable only under certain test conditions (MA ≥ 1 g,DN ≤ 1 cm).Under the condition that the 238U and 235U was both detected,the nuclide percentage of 235U was all less than 0.718％,which suggested that the DU was confirmed.Conclusions The energy spectrum of low activity of DU and the type of nuclide could rapidly be identified and evaluated by using portable γ spectrometer.This is same as the conclusions obtained with high purity Ge γ spectrometer,α spectrometer and ICP-MS.