You searched for "Retrobulbar"

861 results found

Managing a dislocated intraocular lens

A 70-year-old male patient is referred from the optician with a history of onset of double vision and examination shows a dislocated / subluxated IOL. How will you manage this patient? If the double vision is causing serious concern to...

Orbital airgun pellet injuries: A paediatric case pair

Airgun injuries to the eye and orbit can be visually devastating. The pellet need not impact the globe directly to cause visual loss, as the cone shaped orbit may funnel the projectile into the orbital apex and optic nerve. We...

Use of international interocular difference thresholds for optic neuritis diagnosis in clinical practice

Multiple sclerosis (MS) is the most common non-traumatic cause of disability in young people, and visual symptoms can be the initial manifestation in up to 20% of cases. Retinal examination can be helpful in making the correct diagnosis. The latest...

Review of extraocular muscle biopsies and utility of biopsy in extraocular muscle enlargement

This is a retrospective case series study from Melbourne, Australia, of 93 patients with extraocular muscle (EOM) enlargement who underwent an EOM biopsy between March 1992 and January 2017. Statistical analysis was performed to compare the data between patients with...

Neuroanatomical structures and eye movements

The aim of this study was to review and critically discuss the role of ocular proprioception in oculomotor control and development of eye motility disorders. The authors considered proprioception, structure and proprioceptors of eye muscles, singly and multiply innervated muscle...

Implantation of intraocular pressure sensor in glaucoma patients

The authors report safety and accuracy of an intraocular intraocular pressure (IOP) sensor placed in the ciliary sulcus during planned cataract surgery. Six patients underwent implantation of the device; a silicone rubber ring-shaped device encapsulating pressure sensitive capacitors and a...

Quiz Oct/Nov 2024

History An 83-year-old female was previously treated by surgical excision and plaque brachytherapy for her left conjunctival lesion. She presented to her ophthalmologist with a recurrence some years later and underwent a lid sparing orbital exenteration, which was sent to...

Binocular summation responses in strabismic amblyopia

A preliminary study was conducted to determine whether binocular summation (BS) in strabismic amblyopia is more decreased than in strabismus alone and whether strabismus surgery improves BS. The study included 15 strabismic amblyopes, 30 normal controls and 30 strabismic controls....

CAT-QoL questionnaire

The purpose of this study was to use Rasch analysis to inform the refinement of the CAT-QoL amblyopia treatment questionnaire. Of the 342 subjects that were recruited across nine centres, 315 had sufficient clinical data for analysis with RUMM software....

Investigating the effect of signal strength on mean retinal nerve fibre layer

The aim of this study was to determine the effect of signal strength on mean retinal nerve fibre layer (RNFL) using spectralis optical coherence tomography (S-OCT). Thirty normal subjects were imaged with S-OCT using variably dense Bangerter foils to alter...

An unusual presentation of dysthyroid orbitopathy

The authors present a case of a 50-year-old male smoker who presented with bilateral gaze evoked amaurosis (GEA), i.e. the patient was aware of loss of vision in all gaze positions other than the primary position. The patient was being...

Acromegaly associated with enlargement of extraocular recti muscles

This retrospective case review aimed to evaluate the frequency and extent of extraocular muscle enlargement in cases of acromegaly at presentation. All new presentations of acromegaly diagnosis at a single tertiary centre over a five-year period were screened for inclusion....