Depending on factors such as the size of the optical store and the material or brand of lens frames chosen, the time required for dispensing glasses ranges from a few hours to a few weeks. If you choose a larger optical store that may be equipped with equipment such as sanding machines, you can have your lenses made on-site and have your prescription completed in a few hours if you meet the equipment staff. If you choose a customized lens such as keratoconus, which requires data to be provided, it may take several weeks to customize and adjust the lens. When choosing an optician, it is recommended to choose a branded, reputable and professional store, which can guarantee the quality of the prescription glasses and also get the glasses as soon as possible, which is convenient and fast, and can obtain more complete after-sales service.