public function getLetterVisualAcuityForEpisodeRight($episode, $include_nr_values = false, $before_date = '')
{
$event_type = $this->getEventType();
if ($va = $this->getMostRecentElementInEpisode($episode->id, $event_type->id, 'models\\Element_OphCiExamination_VisualAcuity', $before_date)) {
if ($va->hasRight()) {
if ($best = $va->getBestReading('right')) {
return $best->convertTo($best->value, $this->getSnellenUnitId());
} elseif ($include_nr_values) {
return $va->getTextForSide('right');
}
}
}
}