Prevalence of refractive error in defined populations in rural and urban areas in Beijing;

Residual refractive error in the range of±0.

Objective To investigate the composition of young patients refractive error in Guangdong province,especially the composition of myopia.

Simulation and correction experiment on eye ametropia——determination of focal distance(focal power) of thin lenses;

Laser in situ Keratomileusis for Treatment of Ametropia after Cataract Extraction and Intraocular Lens Implantation;

VDT regards weary and the ametropia;

Accuracy of Zywave aberrometer in measurement of refractive errors;

A Case-control study on risk factors of preschool children s refractive errors and amblyopia;

Management of difficult refractive errors in teenagers with rigid gas-permeable contact lens;

MRI study on the surface area of occipital lobe in children with ametropic amblyopia;

The Clinical Observation on the Children s Ametropic Amblyopia by Combination Therapy;

To analyze the refractive state of ambly opic (AMB) eye on c hildren and the relation between its and AMB degree Methods: We optometried at the cycloplegia state on 161 patients (263 eyes) and recorded their ametropic (A ME) type, diopter, antimetropia, fixation character and AMB degree Then we ana l yzed the refractive state and AMB degree with the statistical analysis Results: In 263eyes, 25.

[Results] The causes of vision fatigue were many and varied with the change of age groups and error of refraction in the first place in whatever age groups with the common occurrence age from 25 to 50 years old.

Conclusion: This treatment is effective for error of refraction associated with constipation.