You searched for "impairment"

1995 results found

Statins inhibit TGFβ2 mediated fibrotic response in astrocytes

Glaucoma is a common condition where increased ocular pressure can lead to death of retinal ganglion cells due to impaired drainage of fluid from the eye. One mechanism involved in glaucoma is remodelling of the extracellular matrix at the lamina...

Molecular genetics of achromatopsia

Achromatopsia is a rare autosomal recessive disorder of the cone photoreceptors. Typical characteristics of affected patients include the inability to distinguish colours, impaired visual acuity, photophobia and nystagmus. The condition is said to be more frequent in the Pingelapese population...

Macular pigment and dark adaptation in older population with normal maculas

Macular pigment (MP) such as lutein, zeaxanthin and meso-zeaxanthin are highly concentrated in the fovea. They protect the retina from damage of ambient blue light via antioxidant properties. In older eyes with normal healthy retina, macular pigment optical density (MPOD)...

Knobby eye syndrome

This study used high resolution MRI to demonstrate and evaluate globe shape in axial high myopia and identify and characterise those with prominent equatorial staphylomata that deflect extraocular muscle paths and presumably alter motility patterns in strabismus. The study included...

Where along the vergence pathway is affected by Parkinson’s Disease?

The authors outlined three hypothesis for the effect Parkinson’s Disease has on blur- and disparity-driven vergence with reference to location within the vergence system that is affected to be tested in this prospective study. The study recruited 14 participants with...

The power of the full blood count

Vishal Shah walks us through his thought process whilst highlighting the importance of routine investigations when dealing with unusual retinovascular presentations. Retinal changes can arise in anaemia, leukaemia, lymphoma, myeloproliferative and myelodysplastic syndrome. They are often the first manifestation of...

Long-term effect of gene therapy on Leber’s congenital amaurosis

After reporting the first successful gene therapy results for RPE65 deficiency in three patients in a brief report in 2008, the same team from London now report the results of 12 patients followed up for three years after transfection. As...

Space age surgery

I asked to do theatre lists at Moorfields as part of my timetable. The medical retina fellow jobs are a bit odd in that the vast majority of the different rotations lack a regular theatre session. This might suit some...

Life in the eye department

The crowd is gathering at the watering hole in the Serengeti that is Friday teaching at the Major Teaching Hospital. Would there be enough different species of consultant present or would there be insufficient numbers? If a critical mass of...

Eyes on the road – visual standards for car drivers

The author examines the current visual standards required by drivers and asks whether more needs to be done to make roads safer. Are the public adequately protected by the current system of visual standards required by drivers? In a survey...

The extended role of the specialist ophthalmic photographer

The prevalence of certain retinal conditions such as diabetic retinopathy and age-related macular degeneration (ARMD) is projected to grow substantially over the next decades. Estimates for the projected growth in burden on eye services for diabetic retinopathy and neovascular ARMD...

Traumatic optic neuropathy

In neuro-ophthalmology we get asked a lot about management of patients who suffered significant trauma and presented with loss of vision secondary to presumed traumatic optic neuropathy (TON). TON happens usually in the context of significant craniofacial trauma. The incidence...