The Effect of Happiness Training on Psychological Well-Being in Patients with Thalassaemia Major: A quasi-experimental study.

Objectives: This study aimed to determine the effects of happiness training on the psychological well-being of thalassaemia major (TM) patients. TM is a chronic haematological disease that can have profound effects on patients' mental health and psychological well-being.

Methods: This quasi-experimental study with a pre/post-test design was performed on 52 patients with TM attending the thalassaemia care centre of Imam Khomeini Hospital in Zabol city, Iran, from August to December 2020.

Global Prevalence and Device Related Causes of Needle Stick Injuries among Health Care Workers: A Systematic Review and Meta-Analysis.

Background: Healthcare workers (HCWs) suffer more than 2 million occupational needle-stick injuries (NSIs) annually.

Goal: To determine the global prevalence and causes of NSIs among HCWs.

Methods: In this systematic review and meta-analysis, three databases (PubMed, Web of science, and Scopus) were searched for reports from January 1, 2000 to December 31, 2018.

Frequency of Cataract in Iran: A Meta-Analysis and Systematic Review.

Purpose: Cataract is the leading cause of blindness and the second cause of low vision in the world. In the world, Asia has the highest number of blind population. The aim of the present systematic review and meta-analysis was to assess the frequency of clinical cataracts in Iran.