An overweight woman with galactorrhoea

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Extending the depth of field in a compound-eye imaging system with super-resolution reconstruction

Optical device miniaturization is highly desirable in many applications. Direct down-scaling of traditional imaging system is one approach, but the extent to which it can be minimized is limited by the effect of diffraction. Compound-eye imaging system, which utilizes multiple microlenses in image capture is a promising alternative. In this paper, we explore the possibility of an incorporation of phase masks in such a system to extend the depth of field. Simulation experiments are conducted to verify the feasibility of the system. © 2006 IEEE.published_or_final_versio

The use of Q-switched Alexandrite (QS Alex) laser in the treatment of acquired bilateral nevus of Ota-like macules (ABNOM)

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Establishment of HKU lung cancer lines in Hong Kong - an ongoing conjoint effort and progress report

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A woman with raised alkaline phosphatase and forearm deformity

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Correlation between serum C-reactive protein level and endothelial function in patients with type2 diabetes mellitus

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The use of Stunkard’s figure rating scale to identify underweight and overweight in Chinese adolescents

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Assessment of weight-related factors of adolescents by private practitioners

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Overestimation of peer smoking prevalence predicts smoking initiation among primary school students in Hong Kong

Purpose: To investigate the relationship between perceived prevalence of smoking and smoking initiation among Hong Kong primary second- to fourth-grade-students. Methods: A cohort of 2,171 students was surveyed in 2006 and again in 2008. Students who perceived ever-smoking prevalence in peers as "none" or "some" were considered as correct (reference group), whereas those who perceived it as "half" (overestimation) or "most/all" (gross overestimation) were considered as incorrect. Results: At baseline, overestimation was found to be cross-sectionally associated with ever-smoking (p < .01). At follow-up, 7.2% of never-smoking students with incorrect estimation at baseline had started smoking, which was 79% (95% confidence interval: 3%-213%), greater than that of 3.7% for those with correct estimation. Among the never-smoking students with incorrect estimation, subsequent correct estimation was associated with 70% (95% confidence interval: 47%-83%) lower risk of smoking initiation compared with persistent incorrect estimation. Conclusion: Overestimation of the prevalence of peer smoking predicted smoking initiation among children. Interventions should be carried out to evaluate whether correcting children's overestimation of peer smoking could reduce smoking initiation. © 2011 Society for Adolescent Health and Medicine.postprin

Effects of angiotensin II receptor antagonist on endothelial vasomotor function and urinary albumin excretion in type 2 diabetic patients with microalbuminuria

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