When do patients with retinitis pigmentosa present to ophthalmologists? A multi-centre retrospective study.

Background: Planned gene therapies for retinitis pigmentosa (RP) depend on viable photoreceptors for efficacy. Understanding disease severity at presentation, and drivers that influence time to presentation is important when planning interventions. We examined features that influence RP severity at initial presentation.

Part-time use of 1% atropine eye drops for prevention of myopia progression in children.

Background: To determine the effectiveness of atropine 1% administered once, twice and thrice per week.

Methods: Retrospective review of 166 cases in a tertiary eye hospital.

Results: In total, 166 patients started atropine 1% at different frequencies (once, twice and thrice per week) between January 2003 and August 2013 were identified.

General practitioner's knowledge regarding the diagnosis and drug therapy for acute myocardial infarction.

Objective: To assess the general practitioners (GP) knowledge regarding the diagnosis and initial drug therapy for acute myocardial infarction (AMI).

Methods: A questionnaire-based survey was conducted in randomly selected GPs of Karachi. Doctors working in community as GPs who were registered medical practitioners having a Bachelor of Medicine & Bachelor of Surgery degree were included in the study.

Evaluation of immune response to Hepatitis B vaccine in health care workers at a tertiary care hospital in Pakistan: an observational prospective study.

Background: Seroconversion rates reported after Hepatitis B virus (HBV) vaccination globally ranges from 85-90%. Health care workers (HCWs) are at high risk of acquiring HBV and non responders' rates after HBV vaccination were not reported previously in Pakistani HCWs. Therefore we evaluated immune response to HBV vaccine in HCWs at a tertiary care hospital in Karachi, Pakistan.