Precise regulation of the signaling range of secreted molecules is essential for proper pattern formation during development. The Nodal family of TGF-beta proteins has been shown to function as both short- and long-range signals. But the underlying mechanisms remain elusive. In this study, we investigated the regulation of the signaling range of zebrafish Nodal proteins Cyclops and Squint, whic...

The high squint diving SAR is widely used to provide the information in advance. Large squint angle deduces the deeper coupling of range and azimuth of SAR echoes which makes SAR imaging more difficult. Especially, the large range migration of the deep couple heavily burdens the imaging processing time and storage units. The diving motion of platform worsens the situation. This paper proposes t...

Purpose: Cyclic esotropia is a rare disease with alternating cycles of recurrent that has been reported after strabismus surgery, head trauma, and psychological stress. We report patient who presented accommodative deteriorated to cyclic was managed successfully.Case Summary: A 2-year-old girl no previous ophthalmological or neurological illnesses esotropia. The alternate prism cover test showe...

in this paper, by considering a squint angle for synthetic aperture radar in the strip-map mode, a method is proposed for estimating parameters of a fixed acceleration moving target. non-zero doppler centroid and range-azimuth coupling in the squint mode add complexity to estimation equations of moving target parameters and cause doppler ambiguity. this, in turn, causes to lose the efficiency o...

REVIEWING a series of sixty-odd cases of concomitant squint upon which I have operated, two points were brought out very clearly 1. The high percentage of amblyopic eyes found due to neglect in starting treatment early and in carrying it out efficiently. 2. That the operation is as a rule successful and gives real satisfaction to the patient. Next, the value of orthoptic training (eye exercises...

OBJECTIVE To assess gender differences and delay in presentation of childhood squint in a tertiary care hospital. METHODS It was a series of children presenting with squint at the Aga Khan University Hospital, Karachi, Pakistan. We retrospectively studied the cases presenting between February 2000 and July 2007. RESULTS A total of 107 children with squint were seen. Of these, 55 (52.4%) wer...

331 children presenting with pseudostrabismus were assessed retrospectively; 24% of 77 ametropes developed a true convergent squint. Only 1.65% of 243 emmetropes developed a true squint, an incidence much less than in an unselected group. A close follow-up of emmetropic children presenting with pseudostrabismus would seem to be unjustified.