Results 181 to 190 of about 639,028 (243)

Visual profiling and vision screening of preschool children in Greenland. [PDF]

Int J Circumpolar Health
Duelund N, Nisted I, Jørgensen ME, Heegaard S, Jensen H.   +4 more
europepmc   +1 more source

Observations of the Horizontal Refraction of the Sun [PDF]

A. R. Lang
openalex   +1 more source

Five Years Follow-Up Outcomes of Femtosecond Laser-Assisted Cataract Surgery on Patients with Preexisting Corneal Astigmatism. [PDF]

Int Med Case Rep J
Pham TMK, Nguyen XH, Pham TTT, Hoang TT.
europepmc   +1 more source

What do we know about premyopia and should we be giving it greater consideration? [PDF]

BMJ Open Ophthalmol
Ghorbani-Mojarrad N, Han X, Dbayat N, Ding X.   +3 more
europepmc   +1 more source

On the refractive indices of gaseous nitric oxide, sulphur dioxide, and sulphur trioxide

, 1908
Clive Cuthbertson, E. Metcalfe
openalex   +1 more source

Evaluation of Portable, Low-Cost Autorefractor in School Students with Limited Eye Care Access in Northeastern Brazil. [PDF]

Vision (Basel)
de Castro Neto FC, Louzada RN, Dantas DO, Amaral DC, Chaves Filho CDC, Alves MR.   +5 more
europepmc   +1 more source

Einige kritische Bemerkungen zu den in den Annalen befindlichen Aufsätzen über die irdische Strahlenbrechung, und Nachricht von der Vollendung seiner Refractions ‐ Beobachtungen [PDF]

Brandes
openalex   +1 more source

Comparison of spherical equivalent and estimated prevalence of myopia in school-age children between Shanghai and Yunnan in China. [PDF]

Front Med (Lausanne)
Li T, Liu X, Zhou X.
europepmc   +1 more source

Peripheral refraction and aberrations in myopic eyes after small-incision lenticule extraction (SMILE) surgery. [PDF]

Sci Rep
Zhang L, Wang Y, Zhao X, Cui T.
europepmc   +1 more source

Ableitung der Intensitäts‐ und Polarisations‐Verhältnisse des Lichtringes bei der inneren konischen Refraction [PDF]

Beer
openalex   +1 more source