You searched for "regulation"

3259 results found

How long to wait to refract after instilling cyclo drops for children with brown irides?

This study aimed to assess the time needed for effective cycloplegia after instillation of 1% cyclopentolate drops in children with brown irides. The study recruited 161 consecutive patients aged three to 16 years. All had refraction on arrival, then instillation...

The Preston Rule

The selection, specification and fitting of a spectacle frame necessitates the recording of certain measurements particular to the frame. These measurements are also essential when it is required to manufacture a handmade spectacle frame. Instruments designed to accomplish this task...

Incidence and risk factors of late in the bag intraocular lens dislocation

The aim of this study was to identify risk factors for late in the bag dislocation over a 21 year period. Worldwide the incidence varies from 0.05% to 3.0%. In this Swedish study they report an increase in incidence in...

Masked bilateral SO palsy

This study examined the occurrence of masked bilateral superior oblique (SO) palsy with contralateral inferior oblique (IO) over action requiring further surgical intervention in children undergoing unilateral IO weakening surgery for presumed unilateral SO palsy. This retrospective study included 50...

A surgical option for congenital ptosis

The authors describe a surgical technique to manage congenital ptosis. They present 30 patients with severe congenital ptosis, MRD1 varying between -2mm and 1mm. Intervention was carried out early to prevent amblyopia. All cases had surgery before age seven with...

Detecting muscle insertion position by ultrasound

The purpose of this study was to investigate the accuracy to locate muscle insertion positions before and after strabismus surgery using wide-field ultrasound biomicroscopy with the bag / balloon technique. Thirty-nine muscles of 22 adult patients aged 34.7 ±15.5 years...

Changes in extraocular muscle after the Faden procedure – animal histopathology model

The authors studied the histological changes in the anterior part of the posterior fixation suture including the myoscleral junction, after the Faden operation in eight rabbits. The Faden operation was undertaken in one eye and the fellow unoperated eye served...

My Top Five: Ophthalmology Twitter accounts

There are approximately 4.2 billion active social media users worldwide. This figure represents over half of the global population and is steadily rising [1]. There are currently over 217 million active Twitter users and given the platform’s versatility and ability...

My Top Five: Ophthalmology Twitter accounts

There are approximately 4.2 billion active social media users worldwide. This figure represents over half of the global population and is steadily rising [1]. There are currently over 217 million active Twitter users and given the platform’s versatility and ability...

Sustainability in eyecare: Aravind Eye Hospital’s low carbon eyecare system

The field of healthcare has a substantial impact on the environment as it is responsible for 5-10% of greenhouse gas emissions and 9% of air pollutant generation [1]. Surgery is associated with the rapid consumption of single-use products and waste...

Illuminating task lighting

Good lighting is always important but especially for patients who are visually impaired. Janet Pooley provides an overview. We tend to discuss lighting with patients when their vision is reduced, and where we are considering higher reading adds or low...

WATCH: Novel imaging technology reveals role of immune cells in early diabetic cataract development

In this video interview, Proffessor Ali Hafezi-Moghadam and Professor Dr. Christoph Rußmann discuss their findings on the role of immune cells in early diabetic cataract development.