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  • noun

Synonyms for lens

genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils

(metaphor) a channel through which something can be seen or understood

biconvex transparent body situated behind the iris in the eye

electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons

References in periodicals archive ?
It may reveal common testing problems, such as droopy lids (ptosis) or misalignment of the eye relative to the trial lens holder.
Tenders are invited for Procurement of Trial Lens Sets with Trail Frames Under Vision Center Group
This has the advantage of saving the time and effort of determining which trial lens to use.
The pre-reg will have 40 minutes to complete an aftercare on one eye of the patient and to fit a contact lens to the other eye from their trial lens bank.
Power Requirements- Ac Input : 230 V Ac 50 Hz, Fuses: 5A Slow Blow, Power In Va: 350 Va, Add-Ons: Slit Lamp, Binocular Indirect Ophthalmoscope, Keratometer Of Autorefractometer, Inirect Ophthalmoscope And Streak Retinoscope, Chart Projector, Trial Lens Set, Sight Tester Phoropter , Marked Are Available As Optional Accessories At Extra Cost.
Tenders are invited for trial lens sets with frames schedule-vi
A reaching posture, for example when fitting a trial lens or performing a cover test, also puts uneven strain on the body, she added.
Tenders are invited for 12 EA Wireless Vantage Plus LED Slimline "Convertible" Manufacturer: Keeler Manufacturer #: 1205P1020, 2 EA 101 Lenmeter, 3 EA Retinoscope, Manufacturer: Welch Allen Manufacturer #: 18245, 10 EA Transilluminator, Manufacturer: Welch Allen Manufacturer #: 41100, 13 EA Well Rechargeable Handle Manufacturer: Welch Allen Manufacturer #: 71670, 1 EA Full Diameter Trial Lens Set (complete), Manufacturer: Walman Manufacturer #: MT-266, 1 EA Trial Frame, Manufacturer: Walman Manufacturer #: TF40
Conversely, if you have a trial lens to insert and the vision is adequate, even if not perfect, the child will experience the benefits and is more likely to result in a successful outcome in the long term.