Squint

استرابیسم متناوب روزانه ( Alternate day squint )

Lefty Proteins Are Long-Range Inhibitors of Squint-Mediated Nodal Signaling

The regulation of signaling pathways by feedback inhibitors has become an emerging theme in the control of pattern formation during development. Nodal and Lefty proteins belong to divergent subfamilies of the TGF-beta family. Nodal signals promote mesendoderm induction in vertebrates, and Lefty proteins antagonize it. In zebrafish, Squint functions as a long-range Nodal signal during mesoderm i...

The management of squint.

Squint may be the first sign of a serious ocular or systemic disorder, and yet it is also one of the most common ocular conditions of childhood. It follows that while most ocular deviations have no such sinister connotations, an understanding of the range of associations is essential to be prepared for this comparatively infrequent but important possibility. Screening for squint has been covere...

The management of squint

Squint may be the first sign of a serious ocular or systemic disorder, and yet it is also one of the most common ocular conditions of childhood. It follows that while most ocular deviations have no such sinister connotations, an understanding of the range of associations is essential to be prepared for this comparatively infrequent but important possibility. Screening for squint has been covere...

Signal properties of spaceborne squint-mode SAR

This paper presents signal properties of spaceborne, strip-map SAR for very large squint angles. Doppler centroid, azimuth bandwidth, and exposure time are derived in terms of the platform attitude and elevation angle. This allows a description of the Doppler centroid variation with range and terrain height, and explains a possible range dependence of azimuth bandwidth at high squint. The yaw a...

Gender differences and delay in presentation of childhood squint.

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...