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Long-term occupational exposure to mixed organic solvents appeared to affect the optic tract functions in the form of increasing latency of VEP response, affecting the quality of CV and decreasing CS. It also affects the retinal ganglion cell layer with increased latency of P50 of the pattern ERG response.

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Background: Cataract extraction affects some of the anterior chamber (AC) parameters like AC depth (ACD) and the width of the AC angle. Different techniques are used to evaluate these effects before and after cataract extraction.

Observations of the level of gas meniscus at retina with indirect ophthalmoscopy is an accurate method for estimating intraocular gas volumes. It extends the range of measurement significantly beyond the pupil. Tables based on a mathematical model convert disc diameters to milliliters.